From 1a16d6bc24aac189da4df7042a09d58c98302fbd Mon Sep 17 00:00:00 2001
From: tamat <contact@tamats.com>
Date: Thu, 29 Mar 2018 19:44:03 +0200
Subject: [PATCH] lots of fixes, added support for selection rectangle,
 rearrange nodes, highlight links, copypaste with links and fixed several bugs

---
 build/litegraph.js                 | 553 +++++++++++++-------
 build/litegraph.min.js             | 805 +++++++++++++++--------------
 demo/demo.js                       |  18 +-
 doc/classes/ContextMenu.html       |   4 +-
 doc/classes/LGraph.html            |  85 ++-
 doc/classes/LGraphCanvas.html      |  20 +-
 doc/classes/LGraphNode.html        |  75 +--
 doc/classes/LiteGraph.html         |  13 +-
 doc/data.json                      | 162 +++---
 doc/files/.._src_litegraph.js.html | 553 +++++++++++++-------
 src/litegraph-editor.js            |   1 +
 src/litegraph.js                   | 553 +++++++++++++-------
 12 files changed, 1753 insertions(+), 1089 deletions(-)

diff --git a/build/litegraph.js b/build/litegraph.js
index d71d6e203..2c2d00fef 100644
--- a/build/litegraph.js
+++ b/build/litegraph.js
@@ -135,7 +135,8 @@ var LiteGraph = global.LiteGraph = {
 	},
 
 	/**
-	* create a new node type by passing a function, it wraps it with a propper class
+	* Create a new node type by passing a function, it wraps it with a propper class and generates inputs according to the parameters of the function.
+	* Useful to wrap simple methods that do not require properties, and that only process some input to generate an output.
 	* @method wrapFunctionAsNode
 	* @param {String} name node name with namespace (p.e.: 'math/sum')
 	* @param {Function} func
@@ -632,7 +633,7 @@ LGraph.prototype.updateExecutionOrder = function()
 }
 
 //This is more internal, it computes the order and returns it
-LGraph.prototype.computeExecutionOrder = function( only_onExecute )
+LGraph.prototype.computeExecutionOrder = function( only_onExecute, set_level )
 {
 	var L = [];
 	var S = [];
@@ -643,22 +644,30 @@ LGraph.prototype.computeExecutionOrder = function( only_onExecute )
 	//search for the nodes without inputs (starting nodes)
 	for (var i = 0, l = this._nodes.length; i < l; ++i)
 	{
-		var n = this._nodes[i];
-		if( only_onExecute && !n.onExecute )
+		var node = this._nodes[i];
+		if( only_onExecute && !node.onExecute )
 			continue;
 
-		M[n.id] = n; //add to pending nodes
+		M[node.id] = node; //add to pending nodes
 
 		var num = 0; //num of input connections
-		if(n.inputs)
-			for(var j = 0, l2 = n.inputs.length; j < l2; j++)
-				if(n.inputs[j] && n.inputs[j].link != null)
+		if(node.inputs)
+			for(var j = 0, l2 = node.inputs.length; j < l2; j++)
+				if(node.inputs[j] && node.inputs[j].link != null)
 					num += 1;
 
 		if(num == 0) //is a starting node
-			S.push(n);
+		{
+			S.push(node);
+			if(set_level)
+				node._level = 1;
+		}
 		else //num of input links
-			remaining_links[n.id] = num;
+		{
+			if(set_level)
+				node._level = 0;
+			remaining_links[node.id] = num;
+		}
 	}
 
 	while(true)
@@ -667,43 +676,49 @@ LGraph.prototype.computeExecutionOrder = function( only_onExecute )
 			break;
 
 		//get an starting node
-		var n = S.shift();
-		L.push(n); //add to ordered list
-		delete M[n.id]; //remove from the pending nodes
+		var node = S.shift();
+		L.push(node); //add to ordered list
+		delete M[node.id]; //remove from the pending nodes
+
+		if(!node.outputs)
+			continue;
 
 		//for every output
-		if(n.outputs)
-			for(var i = 0; i < n.outputs.length; i++)
+		for(var i = 0; i < node.outputs.length; i++)
+		{
+			var output = node.outputs[i];
+			//not connected
+			if(output == null || output.links == null || output.links.length == 0)
+				continue;
+
+			//for every connection
+			for(var j = 0; j < output.links.length; j++)
 			{
-				var output = n.outputs[i];
-				//not connected
-				if(output == null || output.links == null || output.links.length == 0)
+				var link_id = output.links[j];
+				var link = this.links[link_id];
+				if(!link)
 					continue;
 
-				//for every connection
-				for(var j = 0; j < output.links.length; j++)
+				//already visited link (ignore it)
+				if(visited_links[ link.id ])
+					continue;
+
+				var target_node = this.getNodeById( link.target_id );
+				if(target_node == null)
 				{
-					var link_id = output.links[j];
-					var link = this.links[link_id];
-					if(!link) continue;
-
-					//already visited link (ignore it)
-					if(visited_links[ link.id ])
-						continue;
-
-					var target_node = this.getNodeById( link.target_id );
-					if(target_node == null)
-					{
-						visited_links[ link.id ] = true;
-						continue;
-					}
-
-					visited_links[link.id] = true; //mark as visited
-					remaining_links[target_node.id] -= 1; //reduce the number of links remaining
-					if (remaining_links[target_node.id] == 0)
-						S.push(target_node); //if no more links, then add to Starters array
+					visited_links[ link.id ] = true;
+					continue;
 				}
+
+				if(set_level && (!target_node._level || target_node._level <= node._level))
+					target_node._level = node._level + 1;
+
+				visited_links[link.id] = true; //mark as visited
+				remaining_links[target_node.id] -= 1; //reduce the number of links remaining
+				if (remaining_links[ target_node.id ] == 0)
+					S.push(target_node); //if no more links, then add to starters array
 			}
+		}
 	}
 
 	//the remaining ones (loops)
@@ -720,13 +735,55 @@ LGraph.prototype.computeExecutionOrder = function( only_onExecute )
 	return L;
 }
 
+/**
+* Positions every node in a more readable manner
+* @method arrange
+*/
+LGraph.prototype.arrange = function( margin )
+{
+	margin = margin || 40;
+
+	var nodes = this.computeExecutionOrder( false, true );
+	var columns = [];
+	for(var i = 0; i < nodes.length; ++i)
+	{
+		var node = nodes[i];
+		var col = node._level || 1;
+		if(!columns[col])
+			columns[col] = [];
+		columns[col].push( node );
+	}
+
+	var x = margin;
+
+	for(var i = 0; i < columns.length; ++i)
+	{
+		var column = columns[i];
+		if(!column)
+			continue;
+		var max_size = 100;
+		var y = margin;
+		for(var j = 0; j < column.length; ++j)
+		{
+			var node = column[j];
+			node.pos[0] = x;
+			node.pos[1] = y;
+			if(node.size[0] > max_size)
+				max_size = node.size[0];
+			y += node.size[1] + margin;
+		}
+		x += max_size + margin;
+	}
+
+	this.setDirtyCanvas(true,true);
+}
+
 
 /**
 * Returns the amount of time the graph has been running in milliseconds
 * @method getTime
 * @return {number} number of milliseconds the graph has been running
 */
-
 LGraph.prototype.getTime = function()
 {
 	return this.globaltime;
@@ -2177,6 +2234,7 @@ LGraphNode.prototype.computeSize = function( minHeight, out )
 
 /**
 * returns the bounding of the object, used for rendering purposes
+* bounding is: [topleft_cornerx, topleft_cornery, width, height]
 * @method getBounding
 * @return {Float32Array[4]} the total size
 */
@@ -2185,8 +2243,8 @@ LGraphNode.prototype.getBounding = function( out )
 	out = out || new Float32Array(4);
 	out[0] = this.pos[0] - 4;
 	out[1] = this.pos[1] - LiteGraph.NODE_TITLE_HEIGHT;
-	out[2] = this.pos[0] + this.size[0] + 4;
-	out[3] = this.pos[1] + this.size[1] + LGraph.NODE_TITLE_HEIGHT;
+	out[2] = this.size[0] + 4;
+	out[3] = this.size[1] + LiteGraph.NODE_TITLE_HEIGHT;
 	return out;
 }
 
@@ -2532,8 +2590,7 @@ LGraphNode.prototype.disconnectInput = function( slot )
 		//search in the inputs list for this link
 		for(var i = 0, l = output.links.length; i < l; i++)
 		{
-			var link_id = output.links[i];
-			if( link_info.target_id == this.id )
+			if( output.links[i] == link_id )
 			{
 				output.links.splice(i,1);
 				break;
@@ -2741,7 +2798,7 @@ function LGraphCanvas( canvas, graph, options )
 
 	//if(graph === undefined)
   //	throw ("No graph assigned");
-  this.background_image = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAIAAAD/gAIDAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQBJREFUeNrs1rEKwjAUhlETUkj3vP9rdmr1Ysammk2w5wdxuLgcMHyptfawuZX4pJSWZTnfnu/lnIe/jNNxHHGNn//HNbbv+4dr6V+11uF527arU7+u63qfa/bnmh8sWLBgwYJlqRf8MEptXPBXJXa37BSl3ixYsGDBMliwFLyCV/DeLIMFCxYsWLBMwSt4Be/NggXLYMGCBUvBK3iNruC9WbBgwYJlsGApeAWv4L1ZBgsWLFiwYJmCV/AK3psFC5bBggULloJX8BpdwXuzYMGCBctgwVLwCl7Be7MMFixYsGDBsu8FH1FaSmExVfAxBa/gvVmwYMGCZbBg/W4vAQYA5tRF9QYlv/QAAAAASUVORK5CYII='
+	this.background_image = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAIAAAD/gAIDAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQBJREFUeNrs1rEKwjAUhlETUkj3vP9rdmr1Ysammk2w5wdxuLgcMHyptfawuZX4pJSWZTnfnu/lnIe/jNNxHHGNn//HNbbv+4dr6V+11uF527arU7+u63qfa/bnmh8sWLBgwYJlqRf8MEptXPBXJXa37BSl3ixYsGDBMliwFLyCV/DeLIMFCxYsWLBMwSt4Be/NggXLYMGCBUvBK3iNruC9WbBgwYJlsGApeAWv4L1ZBgsWLFiwYJmCV/AK3psFC5bBggULloJX8BpdwXuzYMGCBctgwVLwCl7Be7MMFixYsGDBsu8FH1FaSmExVfAxBa/gvVmwYMGCZbBg/W4vAQYA5tRF9QYlv/QAAAAASUVORK5CYII='
 
 	if(canvas && canvas.constructor === String )
 		canvas = document.querySelector( canvas );
@@ -2765,6 +2822,8 @@ function LGraphCanvas( canvas, graph, options )
 	this.allow_dragcanvas = true;
 	this.allow_dragnodes = true;
 	this.allow_interaction = true; //allow to control widgets, buttons, collapse, etc
+	this.drag_mode = false;
+	this.dragging_rectangle = null;
 
 	this.always_render_background = false;
 	this.render_connections_shadows = false; //too much cpu
@@ -2807,11 +2866,15 @@ LGraphCanvas.prototype.clear = function()
 	this.scale = 1;
 	this.offset = [0,0];
 
+	this.dragging_rectangle = null;
+
 	this.selected_nodes = {};
+	this.visible_nodes = [];
 	this.node_dragged = null;
 	this.node_over = null;
 	this.node_capturing_input = null;
 	this.connecting_node = null;
+	this.highlighted_links = {};
 
 	this.dirty_canvas = true;
 	this.dirty_bgcanvas = true;
@@ -2897,6 +2960,7 @@ LGraphCanvas.prototype.closeSubgraph = function()
 		return;
 	var graph = this._graph_stack.pop();
 	this.selected_nodes = {};
+	this.highlighted_links = {};
 	graph.attachCanvas(this);
 	this.setDirty(true,true);
 }
@@ -2984,6 +3048,8 @@ LGraphCanvas.prototype.bindEvents = function()
 	}
 
 	var canvas = this.canvas;
+	var ref_window = this.getCanvasWindow();
+	var document = ref_window.document; //hack used when moving canvas between windows 
 
 	this._mousedown_callback = this.processMouseDown.bind(this);
 	this._mousewheel_callback = this.processMouseWheel.bind(this);
@@ -3007,8 +3073,8 @@ LGraphCanvas.prototype.bindEvents = function()
 	//Keyboard ******************
 	this._key_callback = this.processKey.bind(this);
 
-	canvas.addEventListener("keydown", this._key_callback );
-	canvas.addEventListener("keyup", this._key_callback );
+	canvas.addEventListener("keydown", this._key_callback, true );
+	document.addEventListener("keyup", this._key_callback, true ); //in document, otherwise it doesnt fire keyup
 
 	//Droping Stuff over nodes ************************************
 	this._ondrop_callback = this.processDrop.bind(this);
@@ -3029,11 +3095,14 @@ LGraphCanvas.prototype.unbindEvents = function()
 		return;
 	}
 
+	var ref_window = this.getCanvasWindow();
+	var document = ref_window.document;
+
 	this.canvas.removeEventListener( "mousedown", this._mousedown_callback );
 	this.canvas.removeEventListener( "mousewheel", this._mousewheel_callback );
 	this.canvas.removeEventListener( "DOMMouseScroll", this._mousewheel_callback );
 	this.canvas.removeEventListener( "keydown", this._key_callback );
-	this.canvas.removeEventListener( "keyup", this._key_callback );
+	document.removeEventListener( "keyup", this._key_callback );
 	this.canvas.removeEventListener( "contextmenu", this._doNothing );
 	this.canvas.removeEventListener( "drop", this._ondrop_callback );
 	this.canvas.removeEventListener( "dragenter", this._doReturnTrue );
@@ -3224,34 +3293,30 @@ LGraphCanvas.prototype.processMouseDown = function(e)
 
 	var n = this.graph.getNodeOnPos( e.canvasX, e.canvasY, this.visible_nodes );
 	var skip_dragging = false;
+	var skip_action = false;
 
     LiteGraph.closeAllContextMenus( ref_window );
 
 	if(e.which == 1) //left button mouse
 	{
-		if(!e.shiftKey) //REFACTOR: integrate with function
+		if( e.ctrlKey )
 		{
-            //no node or another node selected
-            if (!n || !this.selected_nodes[n.id]) {
-
-                var todeselect = [];
-                for (var i in this.selected_nodes)
-                    if (this.selected_nodes[i] != n)
-                        todeselect.push(this.selected_nodes[i]);
-                //two passes to avoid problems modifying the container
-                for (var i in todeselect)
-                    this.processNodeDeselected(todeselect[i]);
-            }
+			this.dragging_rectangle = new Float32Array(4);
+			this.dragging_rectangle[0] = e.canvasX;
+			this.dragging_rectangle[1] = e.canvasY;
+			this.dragging_rectangle[2] = 1;
+			this.dragging_rectangle[3] = 1;
+			skip_action = true;
 		}
+
 		var clicking_canvas_bg = false;
 
 		//when clicked on top of a node
 		//and it is not interactive
-		if(n && this.allow_interaction )
+		if( n && this.allow_interaction && !skip_action )
 		{
 			if(!this.live_mode && !n.flags.pinned)
 				this.bringToFront(n); //if it wasnt selected?
-			var skip_action = false;
 
 			//not dragging mouse to connect two slots
 			if(!this.connecting_node && !n.flags.collapsed && !this.live_mode)
@@ -3348,7 +3413,7 @@ LGraphCanvas.prototype.processMouseDown = function(e)
 		else
 			clicking_canvas_bg = true;
 
-		if(clicking_canvas_bg && this.allow_dragcanvas)
+		if(!skip_action && clicking_canvas_bg && this.allow_dragcanvas)
 		{
 			this.dragging_canvas = true;
 		}
@@ -3404,7 +3469,13 @@ LGraphCanvas.prototype.processMouseMove = function(e)
 	this.last_mouse = mouse;
 	this.canvas_mouse = [e.canvasX, e.canvasY];
 
-	if(this.dragging_canvas)
+	if( this.dragging_rectangle )
+	{
+		this.dragging_rectangle[2] = e.canvasX - this.dragging_rectangle[0];
+		this.dragging_rectangle[3] = e.canvasY - this.dragging_rectangle[1];
+		this.dirty_canvas = true;
+	}
+	else if(this.dragging_canvas)
 	{
 		this.offset[0] += delta[0] / this.scale;
 		this.offset[1] += delta[1] / this.scale;
@@ -3417,7 +3488,7 @@ LGraphCanvas.prototype.processMouseMove = function(e)
 			this.dirty_canvas = true;
 
 		//get node over
-		var n = this.graph.getNodeOnPos(e.canvasX, e.canvasY, this.visible_nodes);
+		var n = this.graph.getNodeOnPos( e.canvasX, e.canvasY, this.visible_nodes );
 
 		//remove mouseover flag
 		for(var i = 0, l = this.graph._nodes.length; i < l; ++i)
@@ -3556,8 +3627,32 @@ LGraphCanvas.prototype.processMouseUp = function(e)
 
 	if (e.which == 1) //left button
 	{
-		//dragging a connection
-		if(this.connecting_node)
+		if( this.dragging_rectangle )
+		{
+			if(this.graph)
+			{
+				var nodes = this.graph._nodes;
+				var node_bounding = new Float32Array(4);
+				this.deselectAllNodes();
+				if( this.dragging_rectangle[2] < 0 ) //flip if negative width
+					this.dragging_rectangle[0] += this.dragging_rectangle[2];
+				if( this.dragging_rectangle[3] < 0 ) //flip if negative height
+					this.dragging_rectangle[1] += this.dragging_rectangle[3];
+				this.dragging_rectangle[2] = Math.abs( this.dragging_rectangle[2] * this.scale ); //abs to convert negative width
+				this.dragging_rectangle[3] = Math.abs( this.dragging_rectangle[3] * this.scale ); //abs to convert negative height
+
+				for(var i = 0; i < nodes.length; ++i)
+				{
+					var node = nodes[i];
+					node.getBounding( node_bounding );
+					if(!overlapBounding( this.dragging_rectangle, node_bounding ))
+						continue; //out of the visible area
+					this.selectNode( node, true );
+				}
+			}
+			this.dragging_rectangle = null;
+		}
+		else if(this.connecting_node) //dragging a connection
 		{
 			this.dirty_canvas = true;
 			this.dirty_bgcanvas = true;
@@ -3616,6 +3711,13 @@ LGraphCanvas.prototype.processMouseUp = function(e)
 		}
 		else //no node being dragged
 		{
+			//get node over
+			var node = this.graph.getNodeOnPos( e.canvasX, e.canvasY, this.visible_nodes );
+
+			var now = LiteGraph.getTime();
+			if ( !node && (now - this.last_mouseclick) < 300 )
+				this.deselectAllNodes();
+
 			this.dirty_canvas = true;
 			this.dragging_canvas = false;
 
@@ -3714,18 +3816,23 @@ LGraphCanvas.prototype.processKey = function(e)
 		return;
 
 	var block_default = false;
+	//console.log(e); //debug
 
 	if(e.target.localName == "input")
 		return;
 
 	if(e.type == "keydown")
 	{
-		//console.log(e); //debug
+		if(e.keyCode == 32)
+		{
+			this.dragging_canvas = true;
+			block_default = true;
+		}
 
 		//select all Control A
 		if(e.keyCode == 65 && e.ctrlKey)
 		{
-			this.selectAllNodes();
+			this.selectNodes();
 			block_default = true;
 		}
 
@@ -3733,36 +3840,16 @@ LGraphCanvas.prototype.processKey = function(e)
 		{
 			if(this.selected_nodes)
 			{
-				var nodes_data = [];
-				for(var i in this.selected_nodes)
-					nodes_data.push( this.selected_nodes[i].serialize() );
-				localStorage.setItem( "litegrapheditor_clipboard", JSON.stringify(nodes_data) );
+				this.copyToClipboard();
 				block_default = true;
 			}
 		}
 
 		if(e.code == "KeyV" && (e.metaKey || e.ctrlKey) && !e.shiftKey ) //paste
 		{
-			var data = localStorage.getItem( "litegrapheditor_clipboard" );
-			if(data)
-			{
-				var nodes_data = JSON.parse(data);
-				for(var i = 0; i < nodes_data.length; ++i)
-				{
-					var node_data = nodes_data[i];
-					var node = LiteGraph.createNode( node_data.type );
-					if(node)
-					{
-						node.configure(node_data);
-						node.pos[0] += 5;
-						node.pos[1] += 5;
-						this.graph.add( node );
-					}
-				}
-			}
+			this.pasteFromClipboard();
 		}
 
-
 		//delete or backspace
 		if(e.keyCode == 46 || e.keyCode == 8)
 		{
@@ -3781,6 +3868,9 @@ LGraphCanvas.prototype.processKey = function(e)
 	}
 	else if( e.type == "keyup" )
 	{
+		if(e.keyCode == 32)
+			this.dragging_canvas = false;
+
 		if(this.selected_nodes)
 			for (var i in this.selected_nodes)
 				if(this.selected_nodes[i].onKeyUp)
@@ -3796,6 +3886,79 @@ LGraphCanvas.prototype.processKey = function(e)
 	}
 }
 
+LGraphCanvas.prototype.copyToClipboard = function()
+{
+	var clipboard_info = {
+		nodes: [],
+		links: []
+	};
+	var index = 0;
+	var selected_nodes_array = [];
+	for(var i in this.selected_nodes)
+	{
+		var node = this.selected_nodes[i];
+		node._relative_id = index;
+		selected_nodes_array.push( node );
+		index += 1;
+	}
+
+	for(var i = 0; i < selected_nodes_array.length; ++i)
+	{
+		var node = selected_nodes_array[i];
+		clipboard_info.nodes.push( node.clone().serialize() );
+		if(node.inputs && node.inputs.length)
+			for(var j = 0; j < node.inputs.length; ++j)
+			{
+				var input = node.inputs[j];
+				if(!input || input.link == null)
+					continue;
+				var link_info = this.graph.links[ input.link ];
+				if(!link_info)
+					continue;
+				var target_node = this.graph.getNodeById( link_info.origin_id );
+				if(!target_node || !this.selected_nodes[ target_node.id ] ) //improve this by allowing connections to non-selected nodes
+					continue; //not selected
+				clipboard_info.links.push([ target_node._relative_id, j, node._relative_id, link_info.target_slot ]);
+			}
+	}
+	localStorage.setItem( "litegrapheditor_clipboard", JSON.stringify( clipboard_info ) );
+}
+
+LGraphCanvas.prototype.pasteFromClipboard = function()
+{
+	var data = localStorage.getItem( "litegrapheditor_clipboard" );
+	if(!data)
+		return;
+
+	//create nodes
+	var clipboard_info = JSON.parse(data);
+	var nodes = [];
+	for(var i = 0; i < clipboard_info.nodes.length; ++i)
+	{
+		var node_data = clipboard_info.nodes[i];
+		var node = LiteGraph.createNode( node_data.type );
+		if(node)
+		{
+			node.configure(node_data);
+			node.pos[0] += 5;
+			node.pos[1] += 5;
+			this.graph.add( node );
+			nodes.push( node );
+		}
+	}
+
+	//create links
+	for(var i = 0; i < clipboard_info.links.length; ++i)
+	{
+		var link_info = clipboard_info.links[i];
+		var origin_node = nodes[ link_info[0] ];
+		var target_node = nodes[ link_info[2] ];
+		origin_node.connect( link_info[1], target_node, link_info[3] );
+	}
+
+	this.selectNodes( nodes );
+}
+
 LGraphCanvas.prototype.processDrop = function(e)
 {
 	e.preventDefault();
@@ -3885,42 +4048,6 @@ LGraphCanvas.prototype.checkDropItem = function(e)
 }
 
 
-LGraphCanvas.prototype.processNodeSelected = function(n,e)
-{
-	n.selected = true;
-	if (n.onSelected)
-		n.onSelected();
-
-	if(e && e.shiftKey) //add to selection
-		this.selected_nodes[n.id] = n;
-	else
-	{
-		this.selected_nodes = {};
-		this.selected_nodes[ n.id ] = n;
-	}
-
-	this.dirty_canvas = true;
-
-	if(this.onNodeSelected)
-		this.onNodeSelected(n);
-
-	//if(this.node_in_panel) this.showNodePanel(n);
-}
-
-LGraphCanvas.prototype.processNodeDeselected = function(n)
-{
-	n.selected = false;
-	if(n.onDeselected)
-		n.onDeselected();
-
-	delete this.selected_nodes[n.id];
-
-	if(this.onNodeDeselected)
-		this.onNodeDeselected(n);
-
-	this.dirty_canvas = true;
-}
-
 LGraphCanvas.prototype.processNodeDblClicked = function(n)
 {
 	if(this.onShowNodePanel)
@@ -3932,44 +4059,100 @@ LGraphCanvas.prototype.processNodeDblClicked = function(n)
 	this.setDirty(true);
 }
 
-LGraphCanvas.prototype.selectNode = function(node)
+LGraphCanvas.prototype.processNodeSelected = function(node,e)
 {
-	this.deselectAllNodes();
-
-	if(!node)
-		return;
-
-	if(!node.selected && node.onSelected)
-		node.onSelected();
-	node.selected = true;
-	this.selected_nodes[ node.id ] = node;
-	this.setDirty(true);
+	this.selectNode( node, e && e.shiftKey );
+	if(this.onNodeSelected)
+		this.onNodeSelected(node);
 }
 
-LGraphCanvas.prototype.selectAllNodes = function()
+LGraphCanvas.prototype.processNodeDeselected = function(node)
 {
-	for(var i = 0; i < this.graph._nodes.length; ++i)
+	this.deselectNode(node);
+	if(this.onNodeDeselected)
+		this.onNodeDeselected(node);
+}
+
+LGraphCanvas.prototype.selectNode = function( node, add_to_current_selection )
+{
+	if(node == null)
+		this.deselectAllNodes();
+	else
+		this.selectNodes([node], add_to_current_selection );
+}
+
+LGraphCanvas.prototype.selectNodes = function( nodes, add_to_current_selection )
+{
+	if(!add_to_current_selection)
+		this.deselectAllNodes();
+
+	nodes = nodes || this.graph._nodes;
+	for(var i = 0; i < nodes.length; ++i)
 	{
-		var n = this.graph._nodes[i];
-		if(!n.selected && n.onSelected)
-			n.onSelected();
-		n.selected = true;
-		this.selected_nodes[this.graph._nodes[i].id] = n;
+		var node = nodes[i];
+		if(node.selected)
+			continue;
+
+		if( !node.selected && node.onSelected )
+			node.onSelected();
+		node.selected = true;
+		this.selected_nodes[ node.id ] = node;
+
+		if(node.inputs)
+			for(var i = 0; i < node.inputs.length; ++i)
+				this.highlighted_links[ node.inputs[i].link ] = true;
+		if(node.outputs)
+			for(var i = 0; i < node.outputs.length; ++i)
+			{
+				var out = node.outputs[i];
+				if( out.links )
+					for(var j = 0; j < out.links.length; ++j)
+						this.highlighted_links[ out.links[j] ] = true;
+			}
+
 	}
 
 	this.setDirty(true);
 }
 
+LGraphCanvas.prototype.deselectNode = function( node )
+{
+	if(!node.selected)
+		return;
+	if(node.onDeselected)
+		node.onDeselected();
+	node.selected = false;
+
+	//remove highlighted
+	if(node.inputs)
+		for(var i = 0; i < node.inputs.length; ++i)
+			delete this.highlighted_links[ node.inputs[i].link ];
+	if(node.outputs)
+		for(var i = 0; i < node.outputs.length; ++i)
+		{
+			var out = node.outputs[i];
+			if( out.links )
+				for(var j = 0; j < out.links.length; ++j)
+					delete this.highlighted_links[ out.links[j] ];
+		}
+}
+
 LGraphCanvas.prototype.deselectAllNodes = function()
 {
-	for(var i in this.selected_nodes)
+	if(!this.graph)
+		return;
+	var nodes = this.graph._nodes;
+	for(var i = 0, l = nodes.length; i < l; ++i)
 	{
-		var n = this.selected_nodes;
-		if(n.onDeselected)
-			n.onDeselected();
-		n.selected = false;
+		var node = nodes[i];
+		if(!node.selected)
+			continue;
+		if(node.onDeselected)
+			node.onDeselected();
+		node.selected = false;
 	}
 	this.selected_nodes = {};
+	this.highlighted_links = {};
 	this.setDirty(true);
 }
 
@@ -3982,6 +4165,7 @@ LGraphCanvas.prototype.deleteSelectedNodes = function()
 		this.graph.remove(m);
 	}
 	this.selected_nodes = {};
+	this.highlighted_links = {};
 	this.setDirty(true);
 }
 
@@ -4026,20 +4210,25 @@ LGraphCanvas.prototype.setZoom = function(value, zooming_center)
 	this.dirty_bgcanvas = true;
 }
 
-LGraphCanvas.prototype.convertOffsetToCanvas = function(pos)
+LGraphCanvas.prototype.convertOffsetToCanvas = function( pos, out )
 {
-	return [pos[0] / this.scale - this.offset[0], pos[1] / this.scale - this.offset[1]];
+	out = out || [];
+	out[0] = pos[0] / this.scale - this.offset[0];
+	out[1] = pos[1] / this.scale - this.offset[1];
+	return out;
 }
 
-LGraphCanvas.prototype.convertCanvasToOffset = function(pos)
+LGraphCanvas.prototype.convertCanvasToOffset = function( pos, out )
 {
-	return [(pos[0] + this.offset[0]) * this.scale,
-		(pos[1] + this.offset[1]) * this.scale ];
+	out = out || [];
+	out[0] = (pos[0] + this.offset[0]) * this.scale;
+	out[1] = (pos[1] + this.offset[1]) * this.scale;
+	return out;
 }
 
 LGraphCanvas.prototype.convertEventToCanvas = function(e)
 {
-	var rect = this.canvas.getClientRects()[0];
+	var rect = this.canvas.getBoundingClientRect();
 	return this.convertOffsetToCanvas([e.pageX - rect.left,e.pageY - rect.top]);
 }
 
@@ -4066,14 +4255,16 @@ LGraphCanvas.prototype.sendToBack = function(n)
 
 
 /* LGraphCanvas render */
+var temp = new Float32Array(4);
 
-LGraphCanvas.prototype.computeVisibleNodes = function()
+LGraphCanvas.prototype.computeVisibleNodes = function( nodes, out )
 {
-	var temp = new Float32Array(4);
-	var visible_nodes = [];
-	for(var i = 0, l = this.graph._nodes.length; i < l; ++i)
+	var visible_nodes = out || [];
+	visible_nodes.length = 0;
+	nodes = nodes || this.graph._nodes;
+	for(var i = 0, l = nodes.length; i < l; ++i)
 	{
-		var n = this.graph._nodes[i];
+		var n = nodes[i];
 
 		//skip rendering nodes in live mode
 		if(this.live_mode && !n.onDrawBackground && !n.onDrawForeground)
@@ -4101,7 +4292,7 @@ LGraphCanvas.prototype.draw = function(force_canvas, force_bgcanvas)
 	{
 		var start = [-this.offset[0], -this.offset[1] ];
 		var end = [start[0] + this.canvas.width / this.scale, start[1] + this.canvas.height / this.scale];
-		this.visible_area = new Float32Array([start[0],start[1],end[0],end[1]]);
+		this.visible_area = new Float32Array([ start[0], start[1], end[0] - start[0], end[1] - start[1] ]);
 	}
 
 	if(this.dirty_bgcanvas || force_bgcanvas || this.always_render_background || (this.graph && this.graph._last_trigger_time && (now - this.graph._last_trigger_time) < 1000) )
@@ -4168,8 +4359,7 @@ LGraphCanvas.prototype.drawFrontCanvas = function()
 
 		//draw nodes
 		var drawn_nodes = 0;
-		var visible_nodes = this.computeVisibleNodes();
-		this.visible_nodes = visible_nodes;
+		var visible_nodes = this.computeVisibleNodes( null, this.visible_nodes );
 
 		for (var i = 0; i < visible_nodes.length; ++i)
 		{
@@ -4221,6 +4411,14 @@ LGraphCanvas.prototype.drawFrontCanvas = function()
 				ctx.fill();
 			}
 		}
+
+		if( this.dragging_rectangle )
+		{
+			ctx.strokeStyle = "#FFF";
+			ctx.strokeRect( this.dragging_rectangle[0], this.dragging_rectangle[1], this.dragging_rectangle[2], this.dragging_rectangle[3] );
+		}
+
+
 		ctx.restore();
 	}
 
@@ -4325,7 +4523,7 @@ LGraphCanvas.prototype.drawBackCanvas = function()
 			if(pattern)
 			{
 				ctx.fillStyle = pattern;
-				ctx.fillRect(this.visible_area[0],this.visible_area[1],this.visible_area[2]-this.visible_area[0],this.visible_area[3]-this.visible_area[1]);
+				ctx.fillRect(this.visible_area[0],this.visible_area[1],this.visible_area[2],this.visible_area[3]);
 				ctx.fillStyle = "transparent";
 			}
 
@@ -4338,7 +4536,7 @@ LGraphCanvas.prototype.drawBackCanvas = function()
 
 		//DEBUG: show clipping area
 		//ctx.fillStyle = "red";
-		//ctx.fillRect( this.visible_area[0] + 10, this.visible_area[1] + 10, this.visible_area[2] - this.visible_area[0] - 20, this.visible_area[3] - this.visible_area[1] - 20);
+		//ctx.fillRect( this.visible_area[0] + 10, this.visible_area[1] + 10, this.visible_area[2] - 20, this.visible_area[3] - 20);
 
 		//bg
 		ctx.strokeStyle = "#235";
@@ -4816,6 +5014,9 @@ LGraphCanvas.prototype.renderLink = function( ctx, a, b, link, skip_border, flow
 	if(!color)
 		color = this.default_link_color;
 
+	if( link != null && this.highlighted_links[ link.id ] )
+		color = "#FFF";
+
 	//begin line shape
 	ctx.beginPath();
 
@@ -5425,7 +5626,7 @@ LGraphCanvas.prototype.createDialog = function( html, options )
 	dialog.className = "graphdialog";
 	dialog.innerHTML = html;
 
-	var rect = this.canvas.getClientRects()[0];
+	var rect = this.canvas.getBoundingClientRect();
 	var offsetx = -20;
 	var offsety = -20;
 	if(rect)
@@ -5561,7 +5762,8 @@ LGraphCanvas.onMenuNodeClone = function( value, options, e, menu, node )
 {
 	if(node.clonable == false) return;
 	var newnode = node.clone();
-	if(!newnode) return;
+	if(!newnode)
+		return;
 	newnode.pos = [node.pos[0]+5,node.pos[1]+5];
 	node.graph.add(newnode);
 	node.setDirtyCanvas(true,true);
@@ -5823,13 +6025,18 @@ function isInsideBounding(p,bb)
 }
 LiteGraph.isInsideBounding = isInsideBounding;
 
-//boundings overlap, format: [start,end]
+//boundings overlap, format: [ startx, starty, width, height ]
 function overlapBounding(a,b)
 {
-	if ( a[0] > b[2] ||
-		a[1] > b[3] ||
-		a[2] < b[0] ||
-		a[3] < b[1])
+	var A_end_x = a[0] + a[2];
+	var A_end_y = a[1] + a[3];
+	var B_end_x = b[0] + b[2];
+	var B_end_y = b[1] + b[3];
+
+	if ( a[0] > B_end_x ||
+		a[1] > B_end_y ||
+		A_end_x < b[0] ||
+		A_end_y < b[1])
 		return false;
 	return true;
 }
diff --git a/build/litegraph.min.js b/build/litegraph.min.js
index 28d70ba2b..5109b7b17 100755
--- a/build/litegraph.min.js
+++ b/build/litegraph.min.js
@@ -1,406 +1,411 @@
-(function(r){function e(){f.debug&&console.log("Graph created");this.list_of_graphcanvas=null;this.clear()}function g(a){this._ctor()}function d(a,b,c){c=c||{};this.background_image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAIAAAD/gAIDAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQBJREFUeNrs1rEKwjAUhlETUkj3vP9rdmr1Ysammk2w5wdxuLgcMHyptfawuZX4pJSWZTnfnu/lnIe/jNNxHHGNn//HNbbv+4dr6V+11uF527arU7+u63qfa/bnmh8sWLBgwYJlqRf8MEptXPBXJXa37BSl3ixYsGDBMliwFLyCV/DeLIMFCxYsWLBMwSt4Be/NggXLYMGCBUvBK3iNruC9WbBgwYJlsGApeAWv4L1ZBgsWLFiwYJmCV/AK3psFC5bBggULloJX8BpdwXuzYMGCBctgwVLwCl7Be7MMFixYsGDBsu8FH1FaSmExVfAxBa/gvVmwYMGCZbBg/W4vAQYA5tRF9QYlv/QAAAAASUVORK5CYII=";
-a&&a.constructor===String&&(a=document.querySelector(a));this.max_zoom=10;this.min_zoom=0.1;this.title_text_font="bold 14px Arial";this.inner_text_font="normal 12px Arial";this.default_link_color="#AAC";this.highquality_render=!0;this.editor_alpha=1;this.pause_rendering=!1;this.render_only_selected=this.clear_background=this.render_shadows=!0;this.live_mode=!1;this.allow_interaction=this.allow_dragnodes=this.allow_dragcanvas=this.show_info=!0;this.render_connections_shadows=this.always_render_background=
-!1;this.render_connection_arrows=this.render_curved_connections=this.render_connections_border=!0;this.connections_width=3;b&&b.attachCanvas(this);this.setCanvas(a);this.clear();c.skip_render||this.startRendering();this.autoresize=c.autoresize}function q(a,b){return Math.sqrt((b[0]-a[0])*(b[0]-a[0])+(b[1]-a[1])*(b[1]-a[1]))}function l(a,b,c,h,k,f){return c<a&&c+k>a&&h<b&&h+f>b?!0:!1}function t(a,b){return a[0]>b[2]||a[1]>b[3]||a[2]<b[0]||a[3]<b[1]?!1:!0}function u(a,b){this.options=b=b||{};var c=
-this;b.parentMenu&&(b.parentMenu.constructor!==this.constructor?(console.error("parentMenu must be of class ContextMenu, ignoring it"),b.parentMenu=null):(this.parentMenu=b.parentMenu,this.parentMenu.lock=!0,this.parentMenu.current_submenu=this));b.event&&b.event.constructor!==MouseEvent&&b.event.constructor!==CustomEvent&&(console.error("Event passed to ContextMenu is not of type MouseEvent or CustomEvent. Ignoring it."),b.event=null);var h=document.createElement("div");h.className="litegraph litecontextmenu litemenubar-panel";
-h.style.minWidth=100;h.style.minHeight=100;h.style.pointerEvents="none";setTimeout(function(){h.style.pointerEvents="auto"},100);h.addEventListener("mouseup",function(a){a.preventDefault();return!0},!0);h.addEventListener("contextmenu",function(a){if(2!=a.button)return!1;a.preventDefault();return!1},!0);h.addEventListener("mousedown",function(a){if(2==a.button)return c.close(),a.preventDefault(),!0},!0);this.root=h;if(b.title){var k=document.createElement("div");k.className="litemenu-title";k.innerHTML=
-b.title;h.appendChild(k)}var k=0,f;for(f in a){var d=a.constructor==Array?a[f]:f;null!=d&&d.constructor!==String&&(d=void 0===d.content?String(d):d.content);this.addItem(d,a[f],b);k++}h.addEventListener("mouseleave",function(a){c.lock||c.close(a)});f=document;b.event&&(f=b.event.target.ownerDocument);f||(f=document);f.body.appendChild(h);k=b.left||0;f=b.top||0;if(b.event){k=b.event.pageX-10;f=b.event.pageY-10;b.title&&(f-=20);b.parentMenu&&(k=b.parentMenu.root.getBoundingClientRect(),k=k.left+k.width);
-var d=document.body.getBoundingClientRect(),n=h.getBoundingClientRect();k>d.width-n.width-10&&(k=d.width-n.width-10);f>d.height-n.height-10&&(f=d.height-n.height-10)}h.style.left=k+"px";h.style.top=f+"px"}var f=r.LiteGraph={NODE_TITLE_HEIGHT:16,NODE_SLOT_HEIGHT:15,NODE_WIDTH:140,NODE_MIN_WIDTH:50,NODE_COLLAPSED_RADIUS:10,NODE_COLLAPSED_WIDTH:80,CANVAS_GRID_SIZE:10,NODE_TITLE_COLOR:"#222",NODE_DEFAULT_COLOR:"#999",NODE_DEFAULT_BGCOLOR:"#444",NODE_DEFAULT_BOXCOLOR:"#AEF",NODE_DEFAULT_SHAPE:"box",MAX_NUMBER_OF_NODES:1E3,
-DEFAULT_POSITION:[100,100],node_images_path:"",VALID_SHAPES:["box","round"],BOX_SHAPE:1,ROUND_SHAPE:2,CIRCLE_SHAPE:3,INPUT:1,OUTPUT:2,EVENT:-1,ACTION:-1,ALWAYS:0,ON_EVENT:1,NEVER:2,ON_TRIGGER:3,proxy:null,debug:!1,throw_errors:!0,allow_scripts:!0,registered_node_types:{},node_types_by_file_extension:{},Nodes:{},registerNodeType:function(a,b){if(!b.prototype)throw"Cannot register a simple object, it must be a class with a prototype";b.type=a;f.debug&&console.log("Node registered: "+a);a.split("/");
-var c=b.constructor.name,h=a.lastIndexOf("/");b.category=a.substr(0,h);b.title||(b.title=c);if(b.prototype)for(var k in g.prototype)b.prototype[k]||(b.prototype[k]=g.prototype[k]);Object.defineProperty(b.prototype,"shape",{set:function(a){switch(a){case "box":this._shape=f.BOX_SHAPE;break;case "round":this._shape=f.ROUND_SHAPE;break;case "circle":this._shape=f.CIRCLE_SHAPE;break;default:this._shape=a}},get:function(a){return this._shape},enumerable:!0});this.registered_node_types[a]=b;b.constructor.name&&
-(this.Nodes[c]=b);b.prototype.onPropertyChange&&console.warn("LiteGraph node class "+a+" has onPropertyChange method, it must be called onPropertyChanged with d at the end");if(b.supported_extensions)for(k in b.supported_extensions)this.node_types_by_file_extension[b.supported_extensions[k].toLowerCase()]=b},wrapFunctionAsNode:function(a,b,c,h){for(var k=Array(b.length),d="",s=f.getParameterNames(b),n=0;n<s.length;++n)d+="this.addInput('"+s[n]+"',"+(c&&c[n]?"'"+c[n]+"'":"0")+");\n";c=Function(d+("this.addOutput('out',"+
-(h?"'"+h+"'":0)+");\n"));c.title=a.split("/").pop();c.desc="Generated from "+b.name;c.prototype.onExecute=function(){for(var a=0;a<k.length;++a)k[a]=this.getInputData(a);a=b.apply(this,k);this.setOutputData(0,a)};this.registerNodeType(a,c)},addNodeMethod:function(a,b){g.prototype[a]=b;for(var c in this.registered_node_types){var h=this.registered_node_types[c];h.prototype[a]&&(h.prototype["_"+a]=h.prototype[a]);h.prototype[a]=b}},createNode:function(a,b,c){var h=this.registered_node_types[a];if(!h)return f.debug&&
-console.log('GraphNode type "'+a+'" not registered.'),null;b=b||h.title||a;h=new h(b);h.type=a;h.title||(h.title=b);h.properties||(h.properties={});h.properties_info||(h.properties_info=[]);h.flags||(h.flags={});h.size||(h.size=h.computeSize());h.pos||(h.pos=f.DEFAULT_POSITION.concat());h.mode||(h.mode=f.ALWAYS);if(c)for(var k in c)h[k]=c[k];return h},getNodeType:function(a){return this.registered_node_types[a]},getNodeTypesInCategory:function(a){var b=[],c;for(c in this.registered_node_types)""==
-a?null==this.registered_node_types[c].category&&b.push(this.registered_node_types[c]):this.registered_node_types[c].category==a&&b.push(this.registered_node_types[c]);return b},getNodeTypesCategories:function(){var a={"":1},b;for(b in this.registered_node_types)this.registered_node_types[b].category&&!this.registered_node_types[b].skip_list&&(a[this.registered_node_types[b].category]=1);var c=[];for(b in a)c.push(b);return c},reloadNodes:function(a){var b=document.getElementsByTagName("script"),c=
-[],h;for(h in b)c.push(b[h]);b=document.getElementsByTagName("head")[0];a=document.location.href+a;for(h in c){var k=c[h].src;if(k&&k.substr(0,a.length)==a)try{f.debug&&console.log("Reloading: "+k);var d=document.createElement("script");d.type="text/javascript";d.src=k;b.appendChild(d);b.removeChild(c[h])}catch(s){if(f.throw_errors)throw s;f.debug&&console.log("Error while reloading "+k)}}f.debug&&console.log("Nodes reloaded")},cloneObject:function(a,b){if(null==a)return null;var c=JSON.parse(JSON.stringify(a));
-if(!b)return c;for(var h in c)b[h]=c[h];return b},isValidConnection:function(a,b){if(!a||!b||a==b||a==f.EVENT&&b==f.ACTION)return!0;a=a.toLowerCase();b=b.toLowerCase();if(-1==a.indexOf(",")&&-1==b.indexOf(","))return a==b;for(var c=a.split(","),h=b.split(","),k=0;k<c.length;++k)for(var d=0;d<h.length;++d)if(c[k]==h[k])return!0;return!1}};f.getTime="undefined"!=typeof performance?performance.now.bind(performance):"undefined"!=typeof Date&&Date.now?Date.now.bind(Date):"undefined"!=typeof process?function(){var a=
-process.hrtime();return 0.001*a[0]+1E-6*a[1]}:function(){return(new Date).getTime()};r.LGraph=f.LGraph=e;e.supported_types=["number","string","boolean"];e.prototype.getSupportedTypes=function(){return this.supported_types||e.supported_types};e.STATUS_STOPPED=1;e.STATUS_RUNNING=2;e.prototype.clear=function(){this.stop();this.status=e.STATUS_STOPPED;this.last_node_id=0;this._nodes=[];this._nodes_by_id={};this._nodes_executable=this._nodes_in_order=null;this.last_link_id=0;this.links={};this.iteration=
-0;this.config={};this.fixedtime=this.runningtime=this.globaltime=0;this.elapsed_time=this.fixedtime_lapse=0.01;this.starttime=0;this.catch_errors=!0;this.global_inputs={};this.global_outputs={};this.debug=!0;this.change();this.sendActionToCanvas("clear")};e.prototype.attachCanvas=function(a){if(a.constructor!=d)throw"attachCanvas expects a LGraphCanvas instance";a.graph&&a.graph!=this&&a.graph.detachCanvas(a);a.graph=this;this.list_of_graphcanvas||(this.list_of_graphcanvas=[]);this.list_of_graphcanvas.push(a)};
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-e.STATUS_STOPPED){this.status=e.STATUS_STOPPED;if(this.onStopEvent)this.onStopEvent();null!=this.execution_timer_id&&clearInterval(this.execution_timer_id);this.execution_timer_id=null;this.sendEventToAllNodes("onStop")}};e.prototype.runStep=function(a,b){a=a||1;var c=f.getTime();this.globaltime=0.001*(c-this.starttime);var h=this._nodes_executable?this._nodes_executable:this._nodes;if(h){if(b){for(var k=0;k<a;k++){for(var d=0,s=h.length;d<s;++d){var n=h[d];if(n.mode==f.ALWAYS&&n.onExecute)n.onExecute()}this.fixedtime+=
-this.fixedtime_lapse;if(this.onExecuteStep)this.onExecuteStep()}if(this.onAfterExecute)this.onAfterExecute()}else try{for(k=0;k<a;k++){d=0;for(s=h.length;d<s;++d)if(n=h[d],n.mode==f.ALWAYS&&n.onExecute)n.onExecute();this.fixedtime+=this.fixedtime_lapse;if(this.onExecuteStep)this.onExecuteStep()}if(this.onAfterExecute)this.onAfterExecute();this.errors_in_execution=!1}catch(e){this.errors_in_execution=!0;if(f.throw_errors)throw e;f.debug&&console.log("Error during execution: "+e);this.stop()}c=f.getTime()-
-c;0==c&&(c=1);this.elapsed_time=0.001*c;this.globaltime+=0.001*c;this.iteration+=1}};e.prototype.updateExecutionOrder=function(){this._nodes_in_order=this.computeExecutionOrder(!1);this._nodes_executable=[];for(var a=0;a<this._nodes_in_order.length;++a)this._nodes_in_order[a].onExecute&&this._nodes_executable.push(this._nodes_in_order[a])};e.prototype.computeExecutionOrder=function(a){for(var b=[],c=[],h={},k={},d={},s=0,n=this._nodes.length;s<n;++s){var e=this._nodes[s];if(!a||e.onExecute){h[e.id]=
-e;var g=0;if(e.inputs)for(var p=0,A=e.inputs.length;p<A;p++)e.inputs[p]&&null!=e.inputs[p].link&&(g+=1);0==g?c.push(e):d[e.id]=g}}for(;0!=c.length;)if(e=c.shift(),b.push(e),delete h[e.id],e.outputs)for(s=0;s<e.outputs.length;s++)if(a=e.outputs[s],null!=a&&null!=a.links&&0!=a.links.length)for(p=0;p<a.links.length;p++)(n=this.links[a.links[p]])&&!k[n.id]&&(g=this.getNodeById(n.target_id),null==g?k[n.id]=!0:(k[n.id]=!0,d[g.id]-=1,0==d[g.id]&&c.push(g)));for(s in h)b.push(h[s]);b.length!=this._nodes.length&&
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-b.constructor===Array)e[a].apply(e,b);else e[a](b)}};e.prototype.sendActionToCanvas=function(a,b){if(this.list_of_graphcanvas)for(var c=0;c<this.list_of_graphcanvas.length;++c){var h=this.list_of_graphcanvas[c];h[a]&&h[a].apply(h,b)}};e.prototype.add=function(a,b){if(a){-1!=a.id&&null!=this._nodes_by_id[a.id]&&(console.warn("LiteGraph: there is already a node with this ID, changing it"),a.id=++this.last_node_id);if(this._nodes.length>=f.MAX_NUMBER_OF_NODES)throw"LiteGraph: max number of nodes in a graph reached";
-null==a.id||-1==a.id?a.id=++this.last_node_id:this.last_node_id<a.id&&(this.last_node_id=a.id);a.graph=this;this._nodes.push(a);this._nodes_by_id[a.id]=a;if(a.onAdded)a.onAdded(this);this.config.align_to_grid&&a.alignToGrid();b||this.updateExecutionOrder();if(this.onNodeAdded)this.onNodeAdded(a);this.setDirtyCanvas(!0);this.change();return a}};e.prototype.remove=function(a){if(null!=this._nodes_by_id[a.id]&&!a.ignore_remove){if(a.inputs)for(var b=0;b<a.inputs.length;b++){var c=a.inputs[b];null!=c.link&&
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+var h=document.createElement("div");h.className="litegraph litecontextmenu litemenubar-panel";h.style.minWidth=100;h.style.minHeight=100;h.style.pointerEvents="none";setTimeout(function(){h.style.pointerEvents="auto"},100);h.addEventListener("mouseup",function(a){a.preventDefault();return!0},!0);h.addEventListener("contextmenu",function(a){if(2!=a.button)return!1;a.preventDefault();return!1},!0);h.addEventListener("mousedown",function(a){if(2==a.button)return c.close(),a.preventDefault(),!0},!0);
+this.root=h;if(b.title){var k=document.createElement("div");k.className="litemenu-title";k.innerHTML=b.title;h.appendChild(k)}var k=0,d;for(d in a){var n=a.constructor==Array?a[d]:d;null!=n&&n.constructor!==String&&(n=void 0===n.content?String(n):n.content);this.addItem(n,a[d],b);k++}h.addEventListener("mouseleave",function(a){c.lock||c.close(a)});d=document;b.event&&(d=b.event.target.ownerDocument);d||(d=document);d.body.appendChild(h);k=b.left||0;d=b.top||0;if(b.event){k=b.event.pageX-10;d=b.event.pageY-
+10;b.title&&(d-=20);b.parentMenu&&(k=b.parentMenu.root.getBoundingClientRect(),k=k.left+k.width);var n=document.body.getBoundingClientRect(),e=h.getBoundingClientRect();k>n.width-e.width-10&&(k=n.width-e.width-10);d>n.height-e.height-10&&(d=n.height-e.height-10)}h.style.left=k+"px";h.style.top=d+"px"}var d=q.LiteGraph={NODE_TITLE_HEIGHT:16,NODE_SLOT_HEIGHT:15,NODE_WIDTH:140,NODE_MIN_WIDTH:50,NODE_COLLAPSED_RADIUS:10,NODE_COLLAPSED_WIDTH:80,CANVAS_GRID_SIZE:10,NODE_TITLE_COLOR:"#222",NODE_DEFAULT_COLOR:"#999",
+NODE_DEFAULT_BGCOLOR:"#444",NODE_DEFAULT_BOXCOLOR:"#AEF",NODE_DEFAULT_SHAPE:"box",MAX_NUMBER_OF_NODES:1E3,DEFAULT_POSITION:[100,100],node_images_path:"",VALID_SHAPES:["box","round"],BOX_SHAPE:1,ROUND_SHAPE:2,CIRCLE_SHAPE:3,INPUT:1,OUTPUT:2,EVENT:-1,ACTION:-1,ALWAYS:0,ON_EVENT:1,NEVER:2,ON_TRIGGER:3,proxy:null,debug:!1,throw_errors:!0,allow_scripts:!0,registered_node_types:{},node_types_by_file_extension:{},Nodes:{},registerNodeType:function(a,b){if(!b.prototype)throw"Cannot register a simple object, it must be a class with a prototype";
+b.type=a;d.debug&&console.log("Node registered: "+a);a.split("/");var c=b.constructor.name,h=a.lastIndexOf("/");b.category=a.substr(0,h);b.title||(b.title=c);if(b.prototype)for(var k in f.prototype)b.prototype[k]||(b.prototype[k]=f.prototype[k]);Object.defineProperty(b.prototype,"shape",{set:function(a){switch(a){case "box":this._shape=d.BOX_SHAPE;break;case "round":this._shape=d.ROUND_SHAPE;break;case "circle":this._shape=d.CIRCLE_SHAPE;break;default:this._shape=a}},get:function(a){return this._shape},
+enumerable:!0});this.registered_node_types[a]=b;b.constructor.name&&(this.Nodes[c]=b);b.prototype.onPropertyChange&&console.warn("LiteGraph node class "+a+" has onPropertyChange method, it must be called onPropertyChanged with d at the end");if(b.supported_extensions)for(k in b.supported_extensions)this.node_types_by_file_extension[b.supported_extensions[k].toLowerCase()]=b},wrapFunctionAsNode:function(a,b,c,h){for(var k=Array(b.length),r="",n=d.getParameterNames(b),e=0;e<n.length;++e)r+="this.addInput('"+
+n[e]+"',"+(c&&c[e]?"'"+c[e]+"'":"0")+");\n";c=Function(r+("this.addOutput('out',"+(h?"'"+h+"'":0)+");\n"));c.title=a.split("/").pop();c.desc="Generated from "+b.name;c.prototype.onExecute=function(){for(var a=0;a<k.length;++a)k[a]=this.getInputData(a);a=b.apply(this,k);this.setOutputData(0,a)};this.registerNodeType(a,c)},addNodeMethod:function(a,b){f.prototype[a]=b;for(var c in this.registered_node_types){var h=this.registered_node_types[c];h.prototype[a]&&(h.prototype["_"+a]=h.prototype[a]);h.prototype[a]=
+b}},createNode:function(a,b,c){var h=this.registered_node_types[a];if(!h)return d.debug&&console.log('GraphNode type "'+a+'" not registered.'),null;b=b||h.title||a;h=new h(b);h.type=a;h.title||(h.title=b);h.properties||(h.properties={});h.properties_info||(h.properties_info=[]);h.flags||(h.flags={});h.size||(h.size=h.computeSize());h.pos||(h.pos=d.DEFAULT_POSITION.concat());h.mode||(h.mode=d.ALWAYS);if(c)for(var k in c)h[k]=c[k];return h},getNodeType:function(a){return this.registered_node_types[a]},
+getNodeTypesInCategory:function(a){var b=[],c;for(c in this.registered_node_types)""==a?null==this.registered_node_types[c].category&&b.push(this.registered_node_types[c]):this.registered_node_types[c].category==a&&b.push(this.registered_node_types[c]);return b},getNodeTypesCategories:function(){var a={"":1},b;for(b in this.registered_node_types)this.registered_node_types[b].category&&!this.registered_node_types[b].skip_list&&(a[this.registered_node_types[b].category]=1);var c=[];for(b in a)c.push(b);
+return c},reloadNodes:function(a){var b=document.getElementsByTagName("script"),c=[],h;for(h in b)c.push(b[h]);b=document.getElementsByTagName("head")[0];a=document.location.href+a;for(h in c){var k=c[h].src;if(k&&k.substr(0,a.length)==a)try{d.debug&&console.log("Reloading: "+k);var r=document.createElement("script");r.type="text/javascript";r.src=k;b.appendChild(r);b.removeChild(c[h])}catch(n){if(d.throw_errors)throw n;d.debug&&console.log("Error while reloading "+k)}}d.debug&&console.log("Nodes reloaded")},
+cloneObject:function(a,b){if(null==a)return null;var c=JSON.parse(JSON.stringify(a));if(!b)return c;for(var h in c)b[h]=c[h];return b},isValidConnection:function(a,b){if(!a||!b||a==b||a==d.EVENT&&b==d.ACTION)return!0;a=a.toLowerCase();b=b.toLowerCase();if(-1==a.indexOf(",")&&-1==b.indexOf(","))return a==b;for(var c=a.split(","),h=b.split(","),k=0;k<c.length;++k)for(var r=0;r<h.length;++r)if(c[k]==h[k])return!0;return!1}};d.getTime="undefined"!=typeof performance?performance.now.bind(performance):
+"undefined"!=typeof Date&&Date.now?Date.now.bind(Date):"undefined"!=typeof process?function(){var a=process.hrtime();return 0.001*a[0]+1E-6*a[1]}:function(){return(new Date).getTime()};q.LGraph=d.LGraph=g;g.supported_types=["number","string","boolean"];g.prototype.getSupportedTypes=function(){return this.supported_types||g.supported_types};g.STATUS_STOPPED=1;g.STATUS_RUNNING=2;g.prototype.clear=function(){this.stop();this.status=g.STATUS_STOPPED;this.last_node_id=0;this._nodes=[];this._nodes_by_id=
+{};this._nodes_executable=this._nodes_in_order=null;this.last_link_id=0;this.links={};this.iteration=0;this.config={};this.fixedtime=this.runningtime=this.globaltime=0;this.elapsed_time=this.fixedtime_lapse=0.01;this.starttime=0;this.catch_errors=!0;this.global_inputs={};this.global_outputs={};this.debug=!0;this.change();this.sendActionToCanvas("clear")};g.prototype.attachCanvas=function(a){if(a.constructor!=e)throw"attachCanvas expects a LGraphCanvas instance";a.graph&&a.graph!=this&&a.graph.detachCanvas(a);
+a.graph=this;this.list_of_graphcanvas||(this.list_of_graphcanvas=[]);this.list_of_graphcanvas.push(a)};g.prototype.detachCanvas=function(a){if(this.list_of_graphcanvas){var b=this.list_of_graphcanvas.indexOf(a);-1!=b&&(a.graph=null,this.list_of_graphcanvas.splice(b,1))}};g.prototype.start=function(a){if(this.status!=g.STATUS_RUNNING){this.status=g.STATUS_RUNNING;if(this.onPlayEvent)this.onPlayEvent();this.sendEventToAllNodes("onStart");this.starttime=d.getTime();var b=this;this.execution_timer_id=
+setInterval(function(){b.runStep(1,!this.catch_errors)},a||1)}};g.prototype.stop=function(){if(this.status!=g.STATUS_STOPPED){this.status=g.STATUS_STOPPED;if(this.onStopEvent)this.onStopEvent();null!=this.execution_timer_id&&clearInterval(this.execution_timer_id);this.execution_timer_id=null;this.sendEventToAllNodes("onStop")}};g.prototype.runStep=function(a,b){a=a||1;var c=d.getTime();this.globaltime=0.001*(c-this.starttime);var h=this._nodes_executable?this._nodes_executable:this._nodes;if(h){if(b){for(var k=
+0;k<a;k++){for(var r=0,n=h.length;r<n;++r){var e=h[r];if(e.mode==d.ALWAYS&&e.onExecute)e.onExecute()}this.fixedtime+=this.fixedtime_lapse;if(this.onExecuteStep)this.onExecuteStep()}if(this.onAfterExecute)this.onAfterExecute()}else try{for(k=0;k<a;k++){r=0;for(n=h.length;r<n;++r)if(e=h[r],e.mode==d.ALWAYS&&e.onExecute)e.onExecute();this.fixedtime+=this.fixedtime_lapse;if(this.onExecuteStep)this.onExecuteStep()}if(this.onAfterExecute)this.onAfterExecute();this.errors_in_execution=!1}catch(l){this.errors_in_execution=
+!0;if(d.throw_errors)throw l;d.debug&&console.log("Error during execution: "+l);this.stop()}c=d.getTime()-c;0==c&&(c=1);this.elapsed_time=0.001*c;this.globaltime+=0.001*c;this.iteration+=1}};g.prototype.updateExecutionOrder=function(){this._nodes_in_order=this.computeExecutionOrder(!1);this._nodes_executable=[];for(var a=0;a<this._nodes_in_order.length;++a)this._nodes_in_order[a].onExecute&&this._nodes_executable.push(this._nodes_in_order[a])};g.prototype.computeExecutionOrder=function(a,b){for(var c=
+[],h=[],k={},e={},n={},l=0,g=this._nodes.length;l<g;++l){var f=this._nodes[l];if(!a||f.onExecute){k[f.id]=f;var w=0;if(f.inputs)for(var y=0,s=f.inputs.length;y<s;y++)f.inputs[y]&&null!=f.inputs[y].link&&(w+=1);0==w?(h.push(f),b&&(f._level=1)):(b&&(f._level=0),n[f.id]=w)}}for(;0!=h.length;)if(f=h.shift(),c.push(f),delete k[f.id],f.outputs)for(l=0;l<f.outputs.length;l++)if(g=f.outputs[l],null!=g&&null!=g.links&&0!=g.links.length)for(y=0;y<g.links.length;y++)(w=this.links[g.links[y]])&&!e[w.id]&&(s=
+this.getNodeById(w.target_id),null==s?e[w.id]=!0:(b&&(!s._level||s._level<=f._level)&&(s._level=f._level+1),e[w.id]=!0,n[s.id]-=1,0==n[s.id]&&h.push(s)));for(l in k)c.push(k[l]);c.length!=this._nodes.length&&d.debug&&console.warn("something went wrong, nodes missing");for(l=0;l<c.length;++l)c[l].order=l;return c};g.prototype.arrange=function(a){a=a||40;for(var b=this.computeExecutionOrder(!1,!0),c=[],h=0;h<b.length;++h){var k=b[h],d=k._level||1;c[d]||(c[d]=[]);c[d].push(k)}b=a;for(h=0;h<c.length;++h)if(d=
+c[h]){for(var n=100,e=a,l=0;l<d.length;++l)k=d[l],k.pos[0]=b,k.pos[1]=e,k.size[0]>n&&(n=k.size[0]),e+=k.size[1]+a;b+=n+a}this.setDirtyCanvas(!0,!0)};g.prototype.getTime=function(){return this.globaltime};g.prototype.getFixedTime=function(){return this.fixedtime};g.prototype.getElapsedTime=function(){return this.elapsed_time};g.prototype.sendEventToAllNodes=function(a,b,c){c=c||d.ALWAYS;var h=this._nodes_in_order?this._nodes_in_order:this._nodes;if(h)for(var k=0,e=h.length;k<e;++k){var n=h[k];if(n[a]&&
+n.mode==c)if(void 0===b)n[a]();else if(b&&b.constructor===Array)n[a].apply(n,b);else n[a](b)}};g.prototype.sendActionToCanvas=function(a,b){if(this.list_of_graphcanvas)for(var c=0;c<this.list_of_graphcanvas.length;++c){var h=this.list_of_graphcanvas[c];h[a]&&h[a].apply(h,b)}};g.prototype.add=function(a,b){if(a){-1!=a.id&&null!=this._nodes_by_id[a.id]&&(console.warn("LiteGraph: there is already a node with this ID, changing it"),a.id=++this.last_node_id);if(this._nodes.length>=d.MAX_NUMBER_OF_NODES)throw"LiteGraph: max number of nodes in a graph reached";
+null==a.id||-1==a.id?a.id=++this.last_node_id:this.last_node_id<a.id&&(this.last_node_id=a.id);a.graph=this;this._nodes.push(a);this._nodes_by_id[a.id]=a;if(a.onAdded)a.onAdded(this);this.config.align_to_grid&&a.alignToGrid();b||this.updateExecutionOrder();if(this.onNodeAdded)this.onNodeAdded(a);this.setDirtyCanvas(!0);this.change();return a}};g.prototype.remove=function(a){if(null!=this._nodes_by_id[a.id]&&!a.ignore_remove){if(a.inputs)for(var b=0;b<a.inputs.length;b++){var c=a.inputs[b];null!=c.link&&
 a.disconnectInput(b)}if(a.outputs)for(b=0;b<a.outputs.length;b++)c=a.outputs[b],null!=c.links&&c.links.length&&a.disconnectOutput(b);if(a.onRemoved)a.onRemoved();a.graph=null;if(this.list_of_graphcanvas)for(b=0;b<this.list_of_graphcanvas.length;++b)c=this.list_of_graphcanvas[b],c.selected_nodes[a.id]&&delete c.selected_nodes[a.id],c.node_dragged==a&&(c.node_dragged=null);b=this._nodes.indexOf(a);-1!=b&&this._nodes.splice(b,1);delete this._nodes_by_id[a.id];if(this.onNodeRemoved)this.onNodeRemoved(a);
-this.setDirtyCanvas(!0,!0);this.change();this.updateExecutionOrder()}};e.prototype.getNodeById=function(a){return null==a?null:this._nodes_by_id[a]};e.prototype.findNodesByClass=function(a){for(var b=[],c=0,h=this._nodes.length;c<h;++c)this._nodes[c].constructor===a&&b.push(this._nodes[c]);return b};e.prototype.findNodesByType=function(a){a=a.toLowerCase();for(var b=[],c=0,h=this._nodes.length;c<h;++c)this._nodes[c].type.toLowerCase()==a&&b.push(this._nodes[c]);return b};e.prototype.findNodesByTitle=
-function(a){for(var b=[],c=0,h=this._nodes.length;c<h;++c)this._nodes[c].title==a&&b.push(this._nodes[c]);return b};e.prototype.getNodeOnPos=function(a,b,c){c=c||this._nodes;for(var h=c.length-1;0<=h;h--){var f=c[h];if(f.isPointInsideNode(a,b,2))return f}return null};e.prototype.addGlobalInput=function(a,b,c){this.global_inputs[a]={name:a,type:b,value:c};if(this.onGlobalInputAdded)this.onGlobalInputAdded(a,b);if(this.onGlobalsChange)this.onGlobalsChange()};e.prototype.setGlobalInputData=function(a,
-b){var c=this.global_inputs[a];c&&(c.value=b)};e.prototype.getGlobalInputData=function(a){return(a=this.global_inputs[a])?a.value:null};e.prototype.renameGlobalInput=function(a,b){if(b!=a){if(!this.global_inputs[a])return!1;if(this.global_inputs[b])return console.error("there is already one input with that name"),!1;this.global_inputs[b]=this.global_inputs[a];delete this.global_inputs[a];if(this.onGlobalInputRenamed)this.onGlobalInputRenamed(a,b);if(this.onGlobalsChange)this.onGlobalsChange()}};e.prototype.changeGlobalInputType=
-function(a,b){if(!this.global_inputs[a])return!1;if(this.global_inputs[a].type.toLowerCase()!=b.toLowerCase()&&(this.global_inputs[a].type=b,this.onGlobalInputTypeChanged))this.onGlobalInputTypeChanged(a,b)};e.prototype.removeGlobalInput=function(a){if(!this.global_inputs[a])return!1;delete this.global_inputs[a];if(this.onGlobalInputRemoved)this.onGlobalInputRemoved(a);if(this.onGlobalsChange)this.onGlobalsChange();return!0};e.prototype.addGlobalOutput=function(a,b,c){this.global_outputs[a]={name:a,
-type:b,value:c};if(this.onGlobalOutputAdded)this.onGlobalOutputAdded(a,b);if(this.onGlobalsChange)this.onGlobalsChange()};e.prototype.setGlobalOutputData=function(a,b){var c=this.global_outputs[a];c&&(c.value=b)};e.prototype.getGlobalOutputData=function(a){return(a=this.global_outputs[a])?a.value:null};e.prototype.renameGlobalOutput=function(a,b){if(!this.global_outputs[a])return!1;if(this.global_outputs[b])return console.error("there is already one output with that name"),!1;this.global_outputs[b]=
-this.global_outputs[a];delete this.global_outputs[a];if(this.onGlobalOutputRenamed)this.onGlobalOutputRenamed(a,b);if(this.onGlobalsChange)this.onGlobalsChange()};e.prototype.changeGlobalOutputType=function(a,b){if(!this.global_outputs[a])return!1;if(this.global_outputs[a].type.toLowerCase()!=b.toLowerCase()&&(this.global_outputs[a].type=b,this.onGlobalOutputTypeChanged))this.onGlobalOutputTypeChanged(a,b)};e.prototype.removeGlobalOutput=function(a){if(!this.global_outputs[a])return!1;delete this.global_outputs[a];
-if(this.onGlobalOutputRemoved)this.onGlobalOutputRemoved(a);if(this.onGlobalsChange)this.onGlobalsChange();return!0};e.prototype.setInputData=function(a,b){for(var c=this.findNodesByName(a),h=0,f=c.length;h<f;++h)c[h].setValue(b)};e.prototype.getOutputData=function(a){return this.findNodesByName(a).length?m[0].getValue():null};e.prototype.triggerInput=function(a,b){for(var c=this.findNodesByName(a),h=0;h<c.length;++h)c[h].onTrigger(b)};e.prototype.setCallback=function(a,b){for(var c=this.findNodesByName(a),
-h=0;h<c.length;++h)c[h].setTrigger(b)};e.prototype.connectionChange=function(a){this.updateExecutionOrder();if(this.onConnectionChange)this.onConnectionChange(a);this.sendActionToCanvas("onConnectionChange")};e.prototype.isLive=function(){if(!this.list_of_graphcanvas)return!1;for(var a=0;a<this.list_of_graphcanvas.length;++a)if(this.list_of_graphcanvas[a].live_mode)return!0;return!1};e.prototype.change=function(){f.debug&&console.log("Graph changed");this.sendActionToCanvas("setDirty",[!0,!0]);if(this.on_change)this.on_change(this)};
-e.prototype.setDirtyCanvas=function(a,b){this.sendActionToCanvas("setDirty",[a,b])};e.prototype.serialize=function(){for(var a=[],b=0,c=this._nodes.length;b<c;++b)a.push(this._nodes[b].serialize());c=[];for(b in this.links){var h=this.links[b];c.push([h.id,h.origin_id,h.origin_slot,h.target_id,h.target_slot,h.type])}return{iteration:this.iteration,frame:this.frame,last_node_id:this.last_node_id,last_link_id:this.last_link_id,links:c,config:this.config,nodes:a}};e.prototype.configure=function(a,b){b||
-this.clear();var c=a.nodes;if(a.links&&a.links.constructor===Array){for(var h={},k=0;k<a.links.length;++k){var d=a.links[k];h[d[0]]={id:d[0],origin_id:d[1],origin_slot:d[2],target_id:d[3],target_slot:d[4],type:d[5]}}a.links=h}for(k in a)this[k]=a[k];h=!1;this._nodes=[];k=0;for(d=c.length;k<d;++k){var e=c[k],n=f.createNode(e.type,e.title);n?(n.id=e.id,this.add(n,!0)):(f.debug&&console.log("Node not found: "+e.type),h=!0)}k=0;for(d=c.length;k<d;++k)e=c[k],(n=this.getNodeById(e.id))&&n.configure(e);
-this.updateExecutionOrder();this.setDirtyCanvas(!0,!0);return h};e.prototype.load=function(a){var b=this,c=new XMLHttpRequest;c.open("GET",a,!0);c.send(null);c.onload=function(a){200!==c.status?console.error("Error loading graph:",c.status,c.response):(a=JSON.parse(c.response),b.configure(a))};c.onerror=function(a){console.error("Error loading graph:",a)}};e.prototype.onNodeTrace=function(a,b,c){};r.LGraphNode=f.LGraphNode=g;g.prototype._ctor=function(a){this.title=a||"Unnamed";this.size=[f.NODE_WIDTH,
-60];this.graph=null;this._pos=new Float32Array(10,10);Object.defineProperty(this,"pos",{set:function(a){!a||2>!a.length||(this._pos[0]=a[0],this._pos[1]=a[1])},get:function(){return this._pos},enumerable:!0});this.id=-1;this.type=null;this.inputs=[];this.outputs=[];this.connections=[];this.properties={};this.properties_info=[];this.data=null;this.flags={}};g.prototype.configure=function(a){for(var b in a)if("console"!=b)if("properties"==b)for(var c in a.properties){if(this.properties[c]=a.properties[c],
-this.onPropertyChanged)this.onPropertyChanged(c,a.properties[c])}else null!=a[b]&&("object"==typeof a[b]?this[b]&&this[b].configure?this[b].configure(a[b]):this[b]=f.cloneObject(a[b],this[b]):this[b]=a[b]);if(this.onConnectionsChange){if(this.inputs)for(var h=0;h<this.inputs.length;++h){c=this.inputs[h];var k=this.graph.links[c.link];this.onConnectionsChange(f.INPUT,h,!0,k,c)}if(this.outputs)for(h=0;h<this.outputs.length;++h)if(c=this.outputs[h],c.links)for(b=0;b<c.links.length;++b)k=this.graph.links[c.links[b]],
-this.onConnectionsChange(f.OUTPUT,h,!0,k,c)}for(h in this.inputs)c=this.inputs[h],c.link&&c.link.length&&(k=c.link,"object"==typeof k&&(c.link=k[0],this.graph.links[k[0]]={id:k[0],origin_id:k[1],origin_slot:k[2],target_id:k[3],target_slot:k[4]}));for(h in this.outputs)if(c=this.outputs[h],c.links&&0!=c.links.length)for(b in c.links)k=c.links[b],"object"==typeof k&&(c.links[b]=k[0]);if(this.onConfigure)this.onConfigure(a)};g.prototype.serialize=function(){if(this.outputs)for(var a=0;a<this.outputs.length;a++)delete this.outputs[a]._data;
-a={id:this.id,title:this.title,type:this.type,pos:this.pos,size:this.size,data:this.data,flags:f.cloneObject(this.flags),inputs:this.inputs,outputs:this.outputs,mode:this.mode};this.properties&&(a.properties=f.cloneObject(this.properties));a.type||(a.type=this.constructor.type);this.color&&(a.color=this.color);this.bgcolor&&(a.bgcolor=this.bgcolor);this.boxcolor&&(a.boxcolor=this.boxcolor);this.shape&&(a.shape=this.shape);if(this.onSerialize)this.onSerialize(a);return a};g.prototype.clone=function(){var a=
-f.createNode(this.type),b=f.cloneObject(this.serialize());if(b.inputs)for(var c=0;c<b.inputs.length;++c)b.inputs[c].link=null;if(b.outputs)for(c=0;c<b.outputs.length;++c)b.outputs[c].links&&(b.outputs[c].links.length=0);delete b.id;a.configure(b);return a};g.prototype.toString=function(){return JSON.stringify(this.serialize())};g.prototype.getTitle=function(){return this.title||this.constructor.title};g.prototype.setOutputData=function(a,b){if(this.outputs&&!(-1==a||a>=this.outputs.length)){var c=
-this.outputs[a];if(c&&(c._data=b,this.outputs[a].links))for(c=0;c<this.outputs[a].links.length;c++)this.graph.links[this.outputs[a].links[c]].data=b}};g.prototype.getInputData=function(a,b){if(this.inputs&&!(a>=this.inputs.length||null==this.inputs[a].link)){var c=this.graph.links[this.inputs[a].link];if(!c)return null;if(!b)return c.data;var h=this.graph.getNodeById(c.origin_id);if(!h)return c.data;if(h.updateOutputData)h.updateOutputData(c.origin_slot);else if(h.onExecute)h.onExecute();return c.data}};
-g.prototype.isInputConnected=function(a){return this.inputs?a<this.inputs.length&&null!=this.inputs[a].link:!1};g.prototype.getInputInfo=function(a){return this.inputs?a<this.inputs.length?this.inputs[a]:null:null};g.prototype.getInputNode=function(a){if(!this.inputs||a>=this.inputs.length)return null;a=this.inputs[a];return a&&a.link?(a=this.graph.links[a.link])?this.graph.getNodeById(a.origin_id):null:null};g.prototype.getOutputData=function(a){return!this.outputs||a>=this.outputs.length?null:this.outputs[a]._data};
-g.prototype.getOutputInfo=function(a){return this.outputs?a<this.outputs.length?this.outputs[a]:null:null};g.prototype.isOutputConnected=function(a){return this.outputs?a<this.outputs.length&&this.outputs[a].links&&this.outputs[a].links.length:null};g.prototype.getOutputNodes=function(a){if(!this.outputs||0==this.outputs.length||a>=this.outputs.length)return null;a=this.outputs[a];if(!a.links||0==a.links.length)return null;for(var b=[],c=0;c<a.links.length;c++){var h=this.graph.links[a.links[c]];
-h&&(h=this.graph.getNodeById(h.target_id))&&b.push(h)}return b};g.prototype.trigger=function(a,b){if(this.outputs&&this.outputs.length){this.graph&&(this.graph._last_trigger_time=f.getTime());for(var c=0;c<this.outputs.length;++c){var h=this.outputs[c];!h||h.type!==f.EVENT||a&&h.name!=a||this.triggerSlot(c,b)}}};g.prototype.triggerSlot=function(a,b){if(this.outputs){var c=this.outputs[a];if(c&&(c=c.links)&&c.length){this.graph&&(this.graph._last_trigger_time=f.getTime());for(var h=0;h<c.length;++h){var k=
-this.graph.links[c[h]];if(k){var d=this.graph.getNodeById(k.target_id);if(d)if(k._last_time=f.getTime(),k=d.inputs[k.target_slot],d.onAction)d.onAction(k.name,b);else if(d.mode===f.ON_TRIGGER&&d.onExecute)d.onExecute(b)}}}}};g.prototype.addProperty=function(a,b,c,h){c={name:a,type:c,default_value:b};if(h)for(var f in h)c[f]=h[f];this.properties_info||(this.properties_info=[]);this.properties_info.push(c);this.properties||(this.properties={});this.properties[a]=b;return c};g.prototype.addOutput=function(a,
-b,c){a={name:a,type:b,links:null};if(c)for(var h in c)a[h]=c[h];this.outputs||(this.outputs=[]);this.outputs.push(a);if(this.onOutputAdded)this.onOutputAdded(a);this.size=this.computeSize();return a};g.prototype.addOutputs=function(a){for(var b=0;b<a.length;++b){var c=a[b],h={name:c[0],type:c[1],link:null};if(a[2])for(var f in c[2])h[f]=c[2][f];this.outputs||(this.outputs=[]);this.outputs.push(h);if(this.onOutputAdded)this.onOutputAdded(h)}this.size=this.computeSize()};g.prototype.removeOutput=function(a){this.disconnectOutput(a);
-this.outputs.splice(a,1);this.size=this.computeSize();if(this.onOutputRemoved)this.onOutputRemoved(a)};g.prototype.addInput=function(a,b,c){a={name:a,type:b||0,link:null};if(c)for(var h in c)a[h]=c[h];this.inputs||(this.inputs=[]);this.inputs.push(a);this.size=this.computeSize();if(this.onInputAdded)this.onInputAdded(a);return a};g.prototype.addInputs=function(a){for(var b=0;b<a.length;++b){var c=a[b],h={name:c[0],type:c[1],link:null};if(a[2])for(var f in c[2])h[f]=c[2][f];this.inputs||(this.inputs=
-[]);this.inputs.push(h);if(this.onInputAdded)this.onInputAdded(h)}this.size=this.computeSize()};g.prototype.removeInput=function(a){this.disconnectInput(a);this.inputs.splice(a,1);this.size=this.computeSize();if(this.onInputRemoved)this.onInputRemoved(a)};g.prototype.addConnection=function(a,b,c,h){a={name:a,type:b,pos:c,direction:h,links:null};this.connections.push(a);return a};g.prototype.computeSize=function(a,b){function c(a){return a?d*a.length*0.6:0}var h=Math.max(this.inputs?this.inputs.length:
-1,this.outputs?this.outputs.length:1),k=b||new Float32Array([0,0]),h=Math.max(h,1);k[1]=14*h+6;var d=14,h=c(this.title),e=0,n=0;if(this.inputs)for(var g=0,p=this.inputs.length;g<p;++g){var l=this.inputs[g],l=l.label||l.name||"",l=c(l);e<l&&(e=l)}if(this.outputs)for(g=0,p=this.outputs.length;g<p;++g)l=this.outputs[g],l=l.label||l.name||"",l=c(l),n<l&&(n=l);k[0]=Math.max(e+n+10,h);k[0]=Math.max(k[0],f.NODE_WIDTH);return k};g.prototype.getBounding=function(a){a=a||new Float32Array(4);a[0]=this.pos[0]-
-4;a[1]=this.pos[1]-f.NODE_TITLE_HEIGHT;a[2]=this.pos[0]+this.size[0]+4;a[3]=this.pos[1]+this.size[1]+e.NODE_TITLE_HEIGHT;return a};g.prototype.isPointInsideNode=function(a,b,c){c=c||0;var h=this.graph&&this.graph.isLive()?0:20;if(this.flags.collapsed){if(l(a,b,this.pos[0]-c,this.pos[1]-f.NODE_TITLE_HEIGHT-c,f.NODE_COLLAPSED_WIDTH+2*c,f.NODE_TITLE_HEIGHT+2*c))return!0}else if(this.pos[0]-4-c<a&&this.pos[0]+this.size[0]+4+c>a&&this.pos[1]-h-c<b&&this.pos[1]+this.size[1]+c>b)return!0;return!1};g.prototype.getSlotInPosition=
-function(a,b){if(this.inputs)for(var c=0,h=this.inputs.length;c<h;++c){var f=this.inputs[c],d=this.getConnectionPos(!0,c);if(l(a,b,d[0]-10,d[1]-5,20,10))return{input:f,slot:c,link_pos:d,locked:f.locked}}if(this.outputs)for(c=0,h=this.outputs.length;c<h;++c)if(f=this.outputs[c],d=this.getConnectionPos(!1,c),l(a,b,d[0]-10,d[1]-5,20,10))return{output:f,slot:c,link_pos:d,locked:f.locked};return null};g.prototype.findInputSlot=function(a){if(!this.inputs)return-1;for(var b=0,c=this.inputs.length;b<c;++b)if(a==
-this.inputs[b].name)return b;return-1};g.prototype.findOutputSlot=function(a){if(!this.outputs)return-1;for(var b=0,c=this.outputs.length;b<c;++b)if(a==this.outputs[b].name)return b;return-1};g.prototype.connect=function(a,b,c){c=c||0;if(a.constructor===String){if(a=this.findOutputSlot(a),-1==a)return f.debug&&console.log("Connect: Error, no slot of name "+a),!1}else if(!this.outputs||a>=this.outputs.length)return f.debug&&console.log("Connect: Error, slot number not found"),!1;b&&b.constructor===
-Number&&(b=this.graph.getNodeById(b));if(!b)throw"Node not found";if(b==this)return!1;if(c.constructor===String){if(c=b.findInputSlot(c),-1==c)return f.debug&&console.log("Connect: Error, no slot of name "+c),!1}else{if(c===f.EVENT)return!1;if(!b.inputs||c>=b.inputs.length)return f.debug&&console.log("Connect: Error, slot number not found"),!1}null!=b.inputs[c].link&&b.disconnectInput(c);this.setDirtyCanvas(!1,!0);this.graph.connectionChange(this);var h=this.outputs[a];if(b.onConnectInput&&!1===b.onConnectInput(c,
-h.type,h))return!1;var k=b.inputs[c];if(f.isValidConnection(h.type,k.type)){var d={id:this.graph.last_link_id++,type:k.type,origin_id:this.id,origin_slot:a,target_id:b.id,target_slot:c};this.graph.links[d.id]=d;null==h.links&&(h.links=[]);h.links.push(d.id);b.inputs[c].link=d.id;if(this.onConnectionsChange)this.onConnectionsChange(f.OUTPUT,a,!0,d,h);if(b.onConnectionsChange)b.onConnectionsChange(f.INPUT,c,!0,d,k)}this.setDirtyCanvas(!1,!0);this.graph.connectionChange(this);return!0};g.prototype.disconnectOutput=
-function(a,b){if(a.constructor===String){if(a=this.findOutputSlot(a),-1==a)return f.debug&&console.log("Connect: Error, no slot of name "+a),!1}else if(!this.outputs||a>=this.outputs.length)return f.debug&&console.log("Connect: Error, slot number not found"),!1;var c=this.outputs[a];if(!c.links||0==c.links.length)return!1;if(b){b.constructor===Number&&(b=this.graph.getNodeById(b));if(!b)throw"Target Node not found";for(var h=0,k=c.links.length;h<k;h++){var d=c.links[h],e=this.graph.links[d];if(e.target_id==
-b.id){c.links.splice(h,1);var n=b.inputs[e.target_slot];n.link=null;delete this.graph.links[d];if(b.onConnectionsChange)b.onConnectionsChange(f.INPUT,e.target_slot,!1,e,n);if(this.onConnectionsChange)this.onConnectionsChange(f.OUTPUT,a,!1,e,c);break}}}else{h=0;for(k=c.links.length;h<k;h++)if(d=c.links[h],e=this.graph.links[d]){if(b=this.graph.getNodeById(e.target_id))if(n=b.inputs[e.target_slot],n.link=null,b.onConnectionsChange)b.onConnectionsChange(f.INPUT,e.target_slot,!1,e,n);delete this.graph.links[d];
-if(this.onConnectionsChange)this.onConnectionsChange(f.OUTPUT,a,!1,e,c)}c.links=null}this.setDirtyCanvas(!1,!0);this.graph.connectionChange(this);return!0};g.prototype.disconnectInput=function(a){if(a.constructor===String){if(a=this.findInputSlot(a),-1==a)return f.debug&&console.log("Connect: Error, no slot of name "+a),!1}else if(!this.inputs||a>=this.inputs.length)return f.debug&&console.log("Connect: Error, slot number not found"),!1;var b=this.inputs[a];if(!b)return!1;var c=this.inputs[a].link;
-this.inputs[a].link=null;var h=this.graph.links[c];if(h){var k=this.graph.getNodeById(h.origin_id);if(!k)return!1;var d=k.outputs[h.origin_slot];if(!d||!d.links||0==d.links.length)return!1;for(var e=0,n=d.links.length;e<n;e++)if(c=d.links[e],h.target_id==this.id){d.links.splice(e,1);break}delete this.graph.links[c];if(this.onConnectionsChange)this.onConnectionsChange(f.INPUT,a,!1,h,b);if(k.onConnectionsChange)k.onConnectionsChange(f.OUTPUT,e,!1,h,d)}this.setDirtyCanvas(!1,!0);this.graph.connectionChange(this);
-return!0};g.prototype.getConnectionPos=function(a,b){return this.flags.collapsed?a?[this.pos[0],this.pos[1]-0.5*f.NODE_TITLE_HEIGHT]:[this.pos[0]+f.NODE_COLLAPSED_WIDTH,this.pos[1]-0.5*f.NODE_TITLE_HEIGHT]:a&&-1==b?[this.pos[0]+10,this.pos[1]+10]:a&&this.inputs.length>b&&this.inputs[b].pos?[this.pos[0]+this.inputs[b].pos[0],this.pos[1]+this.inputs[b].pos[1]]:!a&&this.outputs.length>b&&this.outputs[b].pos?[this.pos[0]+this.outputs[b].pos[0],this.pos[1]+this.outputs[b].pos[1]]:a?[this.pos[0],this.pos[1]+
-10+b*f.NODE_SLOT_HEIGHT]:[this.pos[0]+this.size[0]+1,this.pos[1]+10+b*f.NODE_SLOT_HEIGHT]};g.prototype.alignToGrid=function(){this.pos[0]=f.CANVAS_GRID_SIZE*Math.round(this.pos[0]/f.CANVAS_GRID_SIZE);this.pos[1]=f.CANVAS_GRID_SIZE*Math.round(this.pos[1]/f.CANVAS_GRID_SIZE)};g.prototype.trace=function(a){this.console||(this.console=[]);this.console.push(a);this.console.length>g.MAX_CONSOLE&&this.console.shift();this.graph.onNodeTrace(this,a)};g.prototype.setDirtyCanvas=function(a,b){this.graph&&this.graph.sendActionToCanvas("setDirty",
-[a,b])};g.prototype.loadImage=function(a){var b=new Image;b.src=f.node_images_path+a;b.ready=!1;var c=this;b.onload=function(){this.ready=!0;c.setDirtyCanvas(!0)};return b};g.prototype.captureInput=function(a){if(this.graph&&this.graph.list_of_graphcanvas)for(var b=this.graph.list_of_graphcanvas,c=0;c<b.length;++c){var h=b[c];if(a||h.node_capturing_input==this)h.node_capturing_input=a?this:null}};g.prototype.collapse=function(){this.flags.collapsed=this.flags.collapsed?!1:!0;this.setDirtyCanvas(!0,
-!0)};g.prototype.pin=function(a){this.flags.pinned=void 0===a?!this.flags.pinned:a};g.prototype.localToScreen=function(a,b,c){return[(a+this.pos[0])*c.scale+c.offset[0],(b+this.pos[1])*c.scale+c.offset[1]]};r.LGraphCanvas=f.LGraphCanvas=d;d.link_type_colors={"-1":"#F85",number:"#AAC",node:"#DCA"};d.prototype.clear=function(){this.fps=this.render_time=this.last_draw_time=this.frame=0;this.scale=1;this.offset=[0,0];this.selected_nodes={};this.connecting_node=this.node_capturing_input=this.node_over=
-this.node_dragged=null;this.dirty_bgcanvas=this.dirty_canvas=!0;this.node_in_panel=this.dirty_area=null;this.last_mouse=[0,0];this.last_mouseclick=0;if(this.onClear)this.onClear()};d.prototype.setGraph=function(a,b){this.graph!=a&&(b||this.clear(),!a&&this.graph?this.graph.detachCanvas(this):(a.attachCanvas(this),this.setDirty(!0,!0)))};d.prototype.openSubgraph=function(a){if(!a)throw"graph cannot be null";if(this.graph==a)throw"graph cannot be the same";this.clear();this.graph&&(this._graph_stack||
-(this._graph_stack=[]),this._graph_stack.push(this.graph));a.attachCanvas(this);this.setDirty(!0,!0)};d.prototype.closeSubgraph=function(){if(this._graph_stack&&0!=this._graph_stack.length){var a=this._graph_stack.pop();this.selected_nodes={};a.attachCanvas(this);this.setDirty(!0,!0)}};d.prototype.setCanvas=function(a,b){if(a&&a.constructor===String&&(a=document.getElementById(a),!a))throw"Error creating LiteGraph canvas: Canvas not found";if(a!==this.canvas&&(!a&&this.canvas&&(b||this.unbindEvents()),
-this.canvas=a)){a.className+=" lgraphcanvas";a.data=this;this.bgcanvas=null;this.bgcanvas||(this.bgcanvas=document.createElement("canvas"),this.bgcanvas.width=this.canvas.width,this.bgcanvas.height=this.canvas.height);if(null==a.getContext){if("canvas"!=a.localName)throw"Element supplied for LGraphCanvas must be a <canvas> element, you passed a "+a.localName;throw"This browser doesnt support Canvas";}null==(this.ctx=a.getContext("2d"))&&(console.warn("This canvas seems to be WebGL, enabling WebGL renderer"),
-this.enableWebGL());this._mousemove_callback=this.processMouseMove.bind(this);this._mouseup_callback=this.processMouseUp.bind(this);b||this.bindEvents()}};d.prototype._doNothing=function(a){a.preventDefault();return!1};d.prototype._doReturnTrue=function(a){a.preventDefault();return!0};d.prototype.bindEvents=function(){if(this._events_binded)console.warn("LGraphCanvas: events already binded");else{var a=this.canvas;this._mousedown_callback=this.processMouseDown.bind(this);this._mousewheel_callback=
-this.processMouseWheel.bind(this);a.addEventListener("mousedown",this._mousedown_callback,!0);a.addEventListener("mousemove",this._mousemove_callback);a.addEventListener("mousewheel",this._mousewheel_callback,!1);a.addEventListener("contextmenu",this._doNothing);a.addEventListener("DOMMouseScroll",this._mousewheel_callback,!1);a.addEventListener("touchstart",this.touchHandler,!0);a.addEventListener("touchmove",this.touchHandler,!0);a.addEventListener("touchend",this.touchHandler,!0);a.addEventListener("touchcancel",
-this.touchHandler,!0);this._key_callback=this.processKey.bind(this);a.addEventListener("keydown",this._key_callback);a.addEventListener("keyup",this._key_callback);this._ondrop_callback=this.processDrop.bind(this);a.addEventListener("dragover",this._doNothing,!1);a.addEventListener("dragend",this._doNothing,!1);a.addEventListener("drop",this._ondrop_callback,!1);a.addEventListener("dragenter",this._doReturnTrue,!1);this._events_binded=!0}};d.prototype.unbindEvents=function(){this._events_binded?(this.canvas.removeEventListener("mousedown",
-this._mousedown_callback),this.canvas.removeEventListener("mousewheel",this._mousewheel_callback),this.canvas.removeEventListener("DOMMouseScroll",this._mousewheel_callback),this.canvas.removeEventListener("keydown",this._key_callback),this.canvas.removeEventListener("keyup",this._key_callback),this.canvas.removeEventListener("contextmenu",this._doNothing),this.canvas.removeEventListener("drop",this._ondrop_callback),this.canvas.removeEventListener("dragenter",this._doReturnTrue),this.canvas.removeEventListener("touchstart",
-this.touchHandler),this.canvas.removeEventListener("touchmove",this.touchHandler),this.canvas.removeEventListener("touchend",this.touchHandler),this.canvas.removeEventListener("touchcancel",this.touchHandler),this._ondrop_callback=this._key_callback=this._mousewheel_callback=this._mousedown_callback=null,this._events_binded=!1):console.warn("LGraphCanvas: no events binded")};d.getFileExtension=function(a){var b=a.indexOf("?");-1!=b&&(a=a.substr(0,b));b=a.lastIndexOf(".");return-1==b?"":a.substr(b+
-1).toLowerCase()};d.prototype.enableWebGL=function(){if(void 0===typeof GL)throw"litegl.js must be included to use a WebGL canvas";if(void 0===typeof enableWebGLCanvas)throw"webglCanvas.js must be included to use this feature";this.gl=this.ctx=enableWebGLCanvas(this.canvas);this.ctx.webgl=!0;this.bgcanvas=this.canvas;this.bgctx=this.gl};d.prototype.setDirty=function(a,b){a&&(this.dirty_canvas=!0);b&&(this.dirty_bgcanvas=!0)};d.prototype.getCanvasWindow=function(){if(!this.canvas)return window;var a=
-this.canvas.ownerDocument;return a.defaultView||a.parentWindow};d.prototype.startRendering=function(){function a(){this.pause_rendering||this.draw();var b=this.getCanvasWindow();this.is_rendering&&b.requestAnimationFrame(a.bind(this))}this.is_rendering||(this.is_rendering=!0,a.call(this))};d.prototype.stopRendering=function(){this.is_rendering=!1};d.prototype.processMouseDown=function(a){if(this.graph){this.adjustMouseEvent(a);var b=this.getCanvasWindow();d.active_canvas=this;this.canvas.removeEventListener("mousemove",
-this._mousemove_callback);b.document.addEventListener("mousemove",this._mousemove_callback,!0);b.document.addEventListener("mouseup",this._mouseup_callback,!0);var c=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes);f.closeAllContextMenus(b);if(1==a.which){if(!(a.shiftKey||c&&this.selected_nodes[c.id])){var h=[],k;for(k in this.selected_nodes)this.selected_nodes[k]!=c&&h.push(this.selected_nodes[k]);for(k in h)this.processNodeDeselected(h[k])}h=!1;if(c&&this.allow_interaction){this.live_mode||
-c.flags.pinned||this.bringToFront(c);var e=!1;if(!this.connecting_node&&!c.flags.collapsed&&!this.live_mode){if(c.outputs){k=0;for(var g=c.outputs.length;k<g;++k){var n=c.outputs[k],p=c.getConnectionPos(!1,k);if(l(a.canvasX,a.canvasY,p[0]-10,p[1]-5,20,10)){this.connecting_node=c;this.connecting_output=n;this.connecting_pos=c.getConnectionPos(!1,k);this.connecting_slot=k;e=!0;break}}}if(c.inputs)for(k=0,g=c.inputs.length;k<g;++k)n=c.inputs[k],p=c.getConnectionPos(!0,k),l(a.canvasX,a.canvasY,p[0]-10,
-p[1]-5,20,10)&&null!==n.link&&(c.disconnectInput(k),e=this.dirty_bgcanvas=!0);!e&&l(a.canvasX,a.canvasY,c.pos[0]+c.size[0]-5,c.pos[1]+c.size[1]-5,5,5)&&(this.resizing_node=c,this.canvas.style.cursor="se-resize",e=!0)}!e&&l(a.canvasX,a.canvasY,c.pos[0],c.pos[1]-f.NODE_TITLE_HEIGHT,f.NODE_TITLE_HEIGHT,f.NODE_TITLE_HEIGHT)&&(c.collapse(),e=!0);if(!e){k=!1;if(300>f.getTime()-this.last_mouseclick&&this.selected_nodes[c.id]){if(c.onDblClick)c.onDblClick(a);this.processNodeDblClicked(c);k=!0}c.onMouseDown&&
-c.onMouseDown(a,[a.canvasX-c.pos[0],a.canvasY-c.pos[1]])?k=!0:this.live_mode&&(k=h=!0);k||(this.allow_dragnodes&&(this.node_dragged=c),this.selected_nodes[c.id]||this.processNodeSelected(c,a));this.dirty_canvas=!0}}else h=!0;h&&this.allow_dragcanvas&&(this.dragging_canvas=!0)}else 2!=a.which&&3==a.which&&this.processContextMenu(c,a);this.last_mouse[0]=a.localX;this.last_mouse[1]=a.localY;this.last_mouseclick=f.getTime();this.canvas_mouse=[a.canvasX,a.canvasY];this.graph.change();(!b.document.activeElement||
-"input"!=b.document.activeElement.nodeName.toLowerCase()&&"textarea"!=b.document.activeElement.nodeName.toLowerCase())&&a.preventDefault();a.stopPropagation();if(this.onMouseDown)this.onMouseDown(a);return!1}};d.prototype.processMouseMove=function(a){this.autoresize&&this.resize();if(this.graph){d.active_canvas=this;this.adjustMouseEvent(a);var b=[a.localX,a.localY],c=[b[0]-this.last_mouse[0],b[1]-this.last_mouse[1]];this.last_mouse=b;this.canvas_mouse=[a.canvasX,a.canvasY];if(this.dragging_canvas)this.offset[0]+=
-c[0]/this.scale,this.offset[1]+=c[1]/this.scale,this.dirty_bgcanvas=this.dirty_canvas=!0;else if(this.allow_interaction){this.connecting_node&&(this.dirty_canvas=!0);for(var b=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes),h=0,k=this.graph._nodes.length;h<k;++h)if(this.graph._nodes[h].mouseOver&&b!=this.graph._nodes[h]){this.graph._nodes[h].mouseOver=!1;if(this.node_over&&this.node_over.onMouseLeave)this.node_over.onMouseLeave(a);this.node_over=null;this.dirty_canvas=!0}if(b){if(!b.mouseOver&&
-(b.mouseOver=!0,this.node_over=b,this.dirty_canvas=!0,b.onMouseEnter))b.onMouseEnter(a);if(b.onMouseMove)b.onMouseMove(a);if(this.connecting_node&&(k=this._highlight_input||[0,0],!this.isOverNodeBox(b,a.canvasX,a.canvasY))){var e=this.isOverNodeInput(b,a.canvasX,a.canvasY,k);-1!=e&&b.inputs[e]?f.isValidConnection(this.connecting_output.type,b.inputs[e].type)&&(this._highlight_input=k):this._highlight_input=null}l(a.canvasX,a.canvasY,b.pos[0]+b.size[0]-5,b.pos[1]+b.size[1]-5,5,5)?this.canvas.style.cursor=
-"se-resize":this.canvas.style.cursor=null}else this.canvas.style.cursor=null;if(this.node_capturing_input&&this.node_capturing_input!=b&&this.node_capturing_input.onMouseMove)this.node_capturing_input.onMouseMove(a);if(this.node_dragged&&!this.live_mode){for(h in this.selected_nodes)b=this.selected_nodes[h],b.pos[0]+=c[0]/this.scale,b.pos[1]+=c[1]/this.scale;this.dirty_bgcanvas=this.dirty_canvas=!0}this.resizing_node&&!this.live_mode&&(this.resizing_node.size[0]+=c[0]/this.scale,this.resizing_node.size[1]+=
-c[1]/this.scale,c=Math.max(this.resizing_node.inputs?this.resizing_node.inputs.length:0,this.resizing_node.outputs?this.resizing_node.outputs.length:0),this.resizing_node.size[1]<c*f.NODE_SLOT_HEIGHT+4&&(this.resizing_node.size[1]=c*f.NODE_SLOT_HEIGHT+4),this.resizing_node.size[0]<f.NODE_MIN_WIDTH&&(this.resizing_node.size[0]=f.NODE_MIN_WIDTH),this.canvas.style.cursor="se-resize",this.dirty_bgcanvas=this.dirty_canvas=!0)}a.preventDefault();return!1}};d.prototype.processMouseUp=function(a){if(this.graph){var b=
-this.getCanvasWindow().document;d.active_canvas=this;b.removeEventListener("mousemove",this._mousemove_callback,!0);this.canvas.addEventListener("mousemove",this._mousemove_callback,!0);b.removeEventListener("mouseup",this._mouseup_callback,!0);this.adjustMouseEvent(a);if(1==a.which)if(this.connecting_node){this.dirty_bgcanvas=this.dirty_canvas=!0;if(b=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes))if(this.connecting_output.type==f.EVENT&&this.isOverNodeBox(b,a.canvasX,a.canvasY))this.connecting_node.connect(this.connecting_slot,
-b,f.EVENT);else{var c=this.isOverNodeInput(b,a.canvasX,a.canvasY);-1!=c?this.connecting_node.connect(this.connecting_slot,b,c):(c=b.getInputInfo(0),this.connecting_output.type==f.EVENT?this.connecting_node.connect(this.connecting_slot,b,f.EVENT):c&&!c.link&&f.isValidConnection(c.type&&this.connecting_output.type)&&this.connecting_node.connect(this.connecting_slot,b,0))}this.connecting_node=this.connecting_pos=this.connecting_output=null;this.connecting_slot=-1}else if(this.resizing_node)this.dirty_bgcanvas=
-this.dirty_canvas=!0,this.resizing_node=null;else if(this.node_dragged)this.dirty_bgcanvas=this.dirty_canvas=!0,this.node_dragged.pos[0]=Math.round(this.node_dragged.pos[0]),this.node_dragged.pos[1]=Math.round(this.node_dragged.pos[1]),this.graph.config.align_to_grid&&this.node_dragged.alignToGrid(),this.node_dragged=null;else{this.dirty_canvas=!0;this.dragging_canvas=!1;if(this.node_over&&this.node_over.onMouseUp)this.node_over.onMouseUp(a,[a.canvasX-this.node_over.pos[0],a.canvasY-this.node_over.pos[1]]);
-if(this.node_capturing_input&&this.node_capturing_input.onMouseUp)this.node_capturing_input.onMouseUp(a,[a.canvasX-this.node_capturing_input.pos[0],a.canvasY-this.node_capturing_input.pos[1]])}else 2==a.which?(this.dirty_canvas=!0,this.dragging_canvas=!1):3==a.which&&(this.dirty_canvas=!0,this.dragging_canvas=!1);this.graph.change();a.stopPropagation();a.preventDefault();return!1}};d.prototype.processMouseWheel=function(a){if(this.graph&&this.allow_dragcanvas){var b=null!=a.wheelDeltaY?a.wheelDeltaY:
--60*a.detail;this.adjustMouseEvent(a);var c=this.scale;0<b?c*=1.1:0>b&&(c*=1/1.1);this.setZoom(c,[a.localX,a.localY]);this.graph.change();a.preventDefault();return!1}};d.prototype.isOverNodeBox=function(a,b,c){var h=f.NODE_TITLE_HEIGHT;return l(b,c,a.pos[0]+2,a.pos[1]+2-h,h-4,h-4)?!0:!1};d.prototype.isOverNodeInput=function(a,b,c,h){if(a.inputs)for(var f=0,d=a.inputs.length;f<d;++f){var e=a.getConnectionPos(!0,f);if(l(b,c,e[0]-10,e[1]-5,20,10))return h&&(h[0]=e[0],h[1]=e[1]),f}return-1};d.prototype.processKey=
-function(a){if(this.graph){var b=!1;if("input"!=a.target.localName){if("keydown"==a.type){65==a.keyCode&&a.ctrlKey&&(this.selectAllNodes(),b=!0);if("KeyC"==a.code&&(a.metaKey||a.ctrlKey)&&!a.shiftKey&&this.selected_nodes){var c=[],h;for(h in this.selected_nodes)c.push(this.selected_nodes[h].serialize());localStorage.setItem("litegrapheditor_clipboard",JSON.stringify(c));b=!0}if("KeyV"==a.code&&(a.metaKey||a.ctrlKey)&&!a.shiftKey&&(c=localStorage.getItem("litegrapheditor_clipboard")))for(c=JSON.parse(c),
-h=0;h<c.length;++h){var k=c[h],d=f.createNode(k.type);d&&(d.configure(k),d.pos[0]+=5,d.pos[1]+=5,this.graph.add(d))}if(46==a.keyCode||8==a.keyCode)this.deleteSelectedNodes(),b=!0;if(this.selected_nodes)for(h in this.selected_nodes)if(this.selected_nodes[h].onKeyDown)this.selected_nodes[h].onKeyDown(a)}else if("keyup"==a.type&&this.selected_nodes)for(h in this.selected_nodes)if(this.selected_nodes[h].onKeyUp)this.selected_nodes[h].onKeyUp(a);this.graph.change();if(b)return a.preventDefault(),!1}}};
-d.prototype.processDrop=function(a){a.preventDefault();this.adjustMouseEvent(a);var b=[a.canvasX,a.canvasY],c=this.graph.getNodeOnPos(b[0],b[1]);if(c){if((c.onDropFile||c.onDropData)&&(b=a.dataTransfer.files)&&b.length)for(var h=0;h<b.length;h++){var f=a.dataTransfer.files[0],e=f.name;d.getFileExtension(e);if(c.onDropFile)c.onDropFile(f);if(c.onDropData){var g=new FileReader;g.onload=function(a){c.onDropData(a.target.result,e,f)};var n=f.type.split("/")[0];"text"==n||""==n?g.readAsText(f):"image"==
-n?g.readAsDataURL(f):g.readAsArrayBuffer(f)}}return c.onDropItem&&c.onDropItem(event)?!0:this.onDropItem?this.onDropItem(event):!1}b=null;this.onDropItem&&(b=this.onDropItem(event));b||this.checkDropItem(a)};d.prototype.checkDropItem=function(a){if(a.dataTransfer.files.length){var b=a.dataTransfer.files[0],c=d.getFileExtension(b.name).toLowerCase();if(c=f.node_types_by_file_extension[c])if(c=f.createNode(c.type),c.pos=[a.canvasX,a.canvasY],this.graph.add(c),c.onDropFile)c.onDropFile(b)}};d.prototype.processNodeSelected=
-function(a,b){a.selected=!0;if(a.onSelected)a.onSelected();b&&b.shiftKey||(this.selected_nodes={});this.selected_nodes[a.id]=a;this.dirty_canvas=!0;if(this.onNodeSelected)this.onNodeSelected(a)};d.prototype.processNodeDeselected=function(a){a.selected=!1;if(a.onDeselected)a.onDeselected();delete this.selected_nodes[a.id];if(this.onNodeDeselected)this.onNodeDeselected(a);this.dirty_canvas=!0};d.prototype.processNodeDblClicked=function(a){if(this.onShowNodePanel)this.onShowNodePanel(a);if(this.onNodeDblClicked)this.onNodeDblClicked(a);
-this.setDirty(!0)};d.prototype.selectNode=function(a){this.deselectAllNodes();if(a){if(!a.selected&&a.onSelected)a.onSelected();a.selected=!0;this.selected_nodes[a.id]=a;this.setDirty(!0)}};d.prototype.selectAllNodes=function(){for(var a=0;a<this.graph._nodes.length;++a){var b=this.graph._nodes[a];if(!b.selected&&b.onSelected)b.onSelected();b.selected=!0;this.selected_nodes[this.graph._nodes[a].id]=b}this.setDirty(!0)};d.prototype.deselectAllNodes=function(){for(var a in this.selected_nodes){var b=
-this.selected_nodes;if(b.onDeselected)b.onDeselected();b.selected=!1}this.selected_nodes={};this.setDirty(!0)};d.prototype.deleteSelectedNodes=function(){for(var a in this.selected_nodes)this.graph.remove(this.selected_nodes[a]);this.selected_nodes={};this.setDirty(!0)};d.prototype.centerOnNode=function(a){this.offset[0]=-a.pos[0]-0.5*a.size[0]+0.5*this.canvas.width/this.scale;this.offset[1]=-a.pos[1]-0.5*a.size[1]+0.5*this.canvas.height/this.scale;this.setDirty(!0,!0)};d.prototype.adjustMouseEvent=
-function(a){var b=this.canvas.getBoundingClientRect();a.localX=a.pageX-b.left;a.localY=a.pageY-b.top;a.canvasX=a.localX/this.scale-this.offset[0];a.canvasY=a.localY/this.scale-this.offset[1]};d.prototype.setZoom=function(a,b){b||(b=[0.5*this.canvas.width,0.5*this.canvas.height]);var c=this.convertOffsetToCanvas(b);this.scale=a;this.scale>this.max_zoom?this.scale=this.max_zoom:this.scale<this.min_zoom&&(this.scale=this.min_zoom);var h=this.convertOffsetToCanvas(b),c=[h[0]-c[0],h[1]-c[1]];this.offset[0]+=
-c[0];this.offset[1]+=c[1];this.dirty_bgcanvas=this.dirty_canvas=!0};d.prototype.convertOffsetToCanvas=function(a){return[a[0]/this.scale-this.offset[0],a[1]/this.scale-this.offset[1]]};d.prototype.convertCanvasToOffset=function(a){return[(a[0]+this.offset[0])*this.scale,(a[1]+this.offset[1])*this.scale]};d.prototype.convertEventToCanvas=function(a){var b=this.canvas.getClientRects()[0];return this.convertOffsetToCanvas([a.pageX-b.left,a.pageY-b.top])};d.prototype.bringToFront=function(a){var b=this.graph._nodes.indexOf(a);
--1!=b&&(this.graph._nodes.splice(b,1),this.graph._nodes.push(a))};d.prototype.sendToBack=function(a){var b=this.graph._nodes.indexOf(a);-1!=b&&(this.graph._nodes.splice(b,1),this.graph._nodes.unshift(a))};d.prototype.computeVisibleNodes=function(){for(var a=new Float32Array(4),b=[],c=0,h=this.graph._nodes.length;c<h;++c){var f=this.graph._nodes[c];(!this.live_mode||f.onDrawBackground||f.onDrawForeground)&&t(this.visible_area,f.getBounding(a))&&b.push(f)}return b};d.prototype.draw=function(a,b){if(this.canvas){var c=
-f.getTime();this.render_time=0.001*(c-this.last_draw_time);this.last_draw_time=c;if(this.graph){var h=[-this.offset[0],-this.offset[1]],d=[h[0]+this.canvas.width/this.scale,h[1]+this.canvas.height/this.scale];this.visible_area=new Float32Array([h[0],h[1],d[0],d[1]])}(this.dirty_bgcanvas||b||this.always_render_background||this.graph&&this.graph._last_trigger_time&&1E3>c-this.graph._last_trigger_time)&&this.drawBackCanvas();(this.dirty_canvas||a)&&this.drawFrontCanvas();this.fps=this.render_time?1/
-this.render_time:0;this.frame+=1}};d.prototype.drawFrontCanvas=function(){this.ctx||(this.ctx=this.bgcanvas.getContext("2d"));var a=this.ctx;if(a){a.start2D&&a.start2D();var b=this.canvas;a.restore();a.setTransform(1,0,0,1,0,0);this.dirty_area&&(a.save(),a.beginPath(),a.rect(this.dirty_area[0],this.dirty_area[1],this.dirty_area[2],this.dirty_area[3]),a.clip());this.clear_background&&a.clearRect(0,0,b.width,b.height);this.bgcanvas==this.canvas?this.drawBackCanvas():a.drawImage(this.bgcanvas,0,0);if(this.onRender)this.onRender(b,
-a);this.show_info&&this.renderInfo(a);if(this.graph){a.save();a.scale(this.scale,this.scale);a.translate(this.offset[0],this.offset[1]);this.visible_nodes=b=this.computeVisibleNodes();for(var c=0;c<b.length;++c){var h=b[c];a.save();a.translate(h.pos[0],h.pos[1]);this.drawNode(h,a);a.restore()}this.graph.config.links_ontop&&(this.live_mode||this.drawConnections(a));if(null!=this.connecting_pos){a.lineWidth=this.connections_width;b=null;switch(this.connecting_output.type){case f.EVENT:b="#F85";break;
-default:b="#AFA"}this.renderLink(a,this.connecting_pos,[this.canvas_mouse[0],this.canvas_mouse[1]],null,!1,null,b);a.beginPath();this.connecting_output.type===f.EVENT?a.rect(this.connecting_pos[0]-6+0.5,this.connecting_pos[1]-5+0.5,14,10):a.arc(this.connecting_pos[0],this.connecting_pos[1],4,0,2*Math.PI);a.fill();a.fillStyle="#ffcc00";this._highlight_input&&(a.beginPath(),a.arc(this._highlight_input[0],this._highlight_input[1],6,0,2*Math.PI),a.fill())}a.restore()}this.dirty_area&&a.restore();a.finish2D&&
-a.finish2D();this.dirty_canvas=!1}};d.prototype.renderInfo=function(a,b,c){b=b||0;c=c||0;a.save();a.translate(b,c);a.font="10px Arial";a.fillStyle="#888";this.graph?(a.fillText("T: "+this.graph.globaltime.toFixed(2)+"s",5,13),a.fillText("I: "+this.graph.iteration,5,26),a.fillText("F: "+this.frame,5,39),a.fillText("FPS:"+this.fps.toFixed(2),5,52)):a.fillText("No graph selected",5,13);a.restore()};d.prototype.drawBackCanvas=function(){var a=this.bgcanvas;if(a.width!=this.canvas.width||a.height!=this.canvas.height)a.width=
-this.canvas.width,a.height=this.canvas.height;this.bgctx||(this.bgctx=this.bgcanvas.getContext("2d"));var b=this.bgctx;b.start&&b.start();this.clear_background&&b.clearRect(0,0,a.width,a.height);this._graph_stack&&this._graph_stack.length&&(b.strokeStyle=this._graph_stack[this._graph_stack.length-1].bgcolor,b.lineWidth=10,b.strokeRect(1,1,a.width-2,a.height-2),b.lineWidth=1);b.restore();b.setTransform(1,0,0,1,0,0);if(this.graph){b.save();b.scale(this.scale,this.scale);b.translate(this.offset[0],this.offset[1]);
-if(this.background_image&&0.5<this.scale){b.globalAlpha=(1-0.5/this.scale)*this.editor_alpha;b.imageSmoothingEnabled=b.mozImageSmoothingEnabled=b.imageSmoothingEnabled=!1;if(!this._bg_img||this._bg_img.name!=this.background_image){this._bg_img=new Image;this._bg_img.name=this.background_image;this._bg_img.src=this.background_image;var c=this;this._bg_img.onload=function(){c.draw(!0,!0)}}var h=null;null==this._pattern&&0<this._bg_img.width?(h=b.createPattern(this._bg_img,"repeat"),this._pattern_img=
-this._bg_img,this._pattern=h):h=this._pattern;h&&(b.fillStyle=h,b.fillRect(this.visible_area[0],this.visible_area[1],this.visible_area[2]-this.visible_area[0],this.visible_area[3]-this.visible_area[1]),b.fillStyle="transparent");b.globalAlpha=1;b.imageSmoothingEnabled=b.mozImageSmoothingEnabled=b.imageSmoothingEnabled=!0}if(this.onBackgroundRender)this.onBackgroundRender(a,b);b.strokeStyle="#235";b.strokeRect(0,0,a.width,a.height);this.render_connections_shadows?(b.shadowColor="#000",b.shadowOffsetX=
-0,b.shadowOffsetY=0,b.shadowBlur=6):b.shadowColor="rgba(0,0,0,0)";this.live_mode||this.drawConnections(b);b.shadowColor="rgba(0,0,0,0)";b.restore()}b.finish&&b.finish();this.dirty_bgcanvas=!1;this.dirty_canvas=!0};var p=new Float32Array(2);d.prototype.drawNode=function(a,b){var c=a.color||f.NODE_DEFAULT_COLOR,h=!0;if(a.flags.skip_title_render||a.graph.isLive())h=!1;a.mouseOver&&(h=!0);a.selected||(this.render_shadows?(b.shadowColor="rgba(0,0,0,0.5)",b.shadowOffsetX=2,b.shadowOffsetY=2,b.shadowBlur=
-3):b.shadowColor="transparent");if(this.live_mode){if(!a.flags.collapsed&&(b.shadowColor="transparent",a.onDrawForeground))a.onDrawForeground(b)}else{var d=this.editor_alpha;b.globalAlpha=d;var e=a._shape||f.BOX_SHAPE;p.set(a.size);a.flags.collapsed&&(p[0]=f.NODE_COLLAPSED_WIDTH,p[1]=0);a.flags.clip_area&&(b.save(),e==f.BOX_SHAPE?(b.beginPath(),b.rect(0,0,p[0],p[1])):e==f.ROUND_SHAPE?b.roundRect(0,0,p[0],p[1],10):e==f.CIRCLE_SHAPE&&(b.beginPath(),b.arc(0.5*p[0],0.5*p[1],0.5*p[0],0,2*Math.PI)),b.clip());
-this.drawNodeShape(a,b,p,c,a.bgcolor,!h,a.selected);b.shadowColor="transparent";b.textAlign="left";b.font=this.inner_text_font;h=0.6<this.scale;e=this.connecting_output;if(!a.flags.collapsed){if(a.inputs)for(var g=0;g<a.inputs.length;g++){var n=a.inputs[g];b.globalAlpha=d;this.connecting_node&&f.isValidConnection(n.type&&e.type)&&(b.globalAlpha=0.4*d);b.fillStyle=null!=n.link?"#7F7":"#AAA";var l=a.getConnectionPos(!0,g);l[0]-=a.pos[0];l[1]-=a.pos[1];b.beginPath();n.type===f.EVENT?b.rect(l[0]-6+0.5,
-l[1]-5+0.5,14,10):b.arc(l[0],l[1],4,0,2*Math.PI);b.fill();h&&(n=null!=n.label?n.label:n.name)&&(b.fillStyle=c,b.fillText(n,l[0]+10,l[1]+5))}this.connecting_node&&(b.globalAlpha=0.4*d);b.lineWidth=1;b.textAlign="right";b.strokeStyle="black";if(a.outputs)for(g=0;g<a.outputs.length;g++)if(n=a.outputs[g],l=a.getConnectionPos(!1,g),l[0]-=a.pos[0],l[1]-=a.pos[1],b.fillStyle=n.links&&n.links.length?"#7F7":"#AAA",b.beginPath(),n.type===f.EVENT?b.rect(l[0]-6+0.5,l[1]-5+0.5,14,10):b.arc(l[0],l[1],4,0,2*Math.PI),
-b.fill(),b.stroke(),h&&(n=null!=n.label?n.label:n.name))b.fillStyle=c,b.fillText(n,l[0]-10,l[1]+5);b.textAlign="left";b.globalAlpha=1;if(a.onDrawForeground)a.onDrawForeground(b)}a.flags.clip_area&&b.restore();b.globalAlpha=1}};d.prototype.drawNodeShape=function(a,b,c,h,d,e,g){b.strokeStyle=h||f.NODE_DEFAULT_COLOR;b.fillStyle=d||f.NODE_DEFAULT_BGCOLOR;d=f.NODE_TITLE_HEIGHT;var n=a._shape||f.BOX_SHAPE;n==f.BOX_SHAPE?(b.beginPath(),b.rect(0,e?0:-d,c[0]+1,e?c[1]:c[1]+d),b.fill(),b.shadowColor="transparent",
-g&&(b.strokeStyle="#CCC",b.strokeRect(-0.5,e?-0.5:-d+-0.5,c[0]+2,e?c[1]+2:c[1]+d+2-1),b.strokeStyle=h)):n==f.ROUND_SHAPE?(b.roundRect(0,e?0:-d,c[0],e?c[1]:c[1]+d,10),b.fill()):n==f.CIRCLE_SHAPE&&(b.beginPath(),b.arc(0.5*c[0],0.5*c[1],0.5*c[0],0,2*Math.PI),b.fill());b.shadowColor="transparent";a.bgImage&&a.bgImage.width&&b.drawImage(a.bgImage,0.5*(c[0]-a.bgImage.width),0.5*(c[1]-a.bgImage.height));a.bgImageUrl&&!a.bgImage&&(a.bgImage=a.loadImage(a.bgImageUrl));if(a.onDrawBackground)a.onDrawBackground(b);
-e||(b.fillStyle=h||f.NODE_DEFAULT_COLOR,h=b.globalAlpha,b.globalAlpha=0.5*h,n==f.BOX_SHAPE?(b.beginPath(),b.rect(0,-d,c[0]+1,d),b.fill()):n==f.ROUND_SHAPE&&(b.roundRect(0,-d,c[0],d,10,0),b.fill()),b.fillStyle=a.boxcolor||f.NODE_DEFAULT_BOXCOLOR,b.beginPath(),n==f.ROUND_SHAPE||n==f.CIRCLE_SHAPE?b.arc(0.5*d,-0.5*d,0.5*(d-6),0,2*Math.PI):b.rect(3,-d+3,d-6,d-6),b.fill(),b.globalAlpha=h,b.font=this.title_text_font,(a=a.getTitle())&&0.5<this.scale&&(b.fillStyle=f.NODE_TITLE_COLOR,b.fillText(a,16,13-d)))};
-d.prototype.drawNodeCollapsed=function(a,b,c,h){b.strokeStyle=c||f.NODE_DEFAULT_COLOR;b.fillStyle=h||f.NODE_DEFAULT_BGCOLOR;c=f.NODE_COLLAPSED_RADIUS;h=a._shape||f.BOX_SHAPE;h==f.CIRCLE_SHAPE?(b.beginPath(),b.arc(0.5*a.size[0],0.5*a.size[1],c,0,2*Math.PI),b.fill(),b.shadowColor="rgba(0,0,0,0)",b.stroke(),b.fillStyle=a.boxcolor||f.NODE_DEFAULT_BOXCOLOR,b.beginPath(),b.arc(0.5*a.size[0],0.5*a.size[1],0.5*c,0,2*Math.PI)):h==f.ROUND_SHAPE?(b.beginPath(),b.roundRect(0.5*a.size[0]-c,0.5*a.size[1]-c,2*c,
-2*c,5),b.fill(),b.shadowColor="rgba(0,0,0,0)",b.stroke(),b.fillStyle=a.boxcolor||f.NODE_DEFAULT_BOXCOLOR,b.beginPath(),b.roundRect(0.5*a.size[0]-0.5*c,0.5*a.size[1]-0.5*c,c,c,2)):(b.beginPath(),b.rect(0,0,a.size[0],2*c),b.fill(),b.shadowColor="rgba(0,0,0,0)",b.stroke(),b.fillStyle=a.boxcolor||f.NODE_DEFAULT_BOXCOLOR,b.beginPath(),b.rect(0.5*c,0.5*c,c,c));b.fill()};d.prototype.drawConnections=function(a){var b=f.getTime();a.lineWidth=this.connections_width;a.fillStyle="#AAA";a.strokeStyle="#AAA";a.globalAlpha=
-this.editor_alpha;for(var c=0,h=this.graph._nodes.length;c<h;++c){var d=this.graph._nodes[c];if(d.inputs&&d.inputs.length)for(var e=0;e<d.inputs.length;++e){var g=d.inputs[e];if(g&&null!=g.link&&(g=this.graph.links[g.link])){var n=this.graph.getNodeById(g.origin_id);if(null!=n){var p=g.origin_slot,l=null,l=-1==p?[n.pos[0]+10,n.pos[1]+10]:n.getConnectionPos(!1,p);this.renderLink(a,l,d.getConnectionPos(!0,e),g);g&&g._last_time&&1E3>b-g._last_time&&(n=2-0.002*(b-g._last_time),p="rgba(255,255,255, "+
-n.toFixed(2)+")",this.renderLink(a,l,d.getConnectionPos(!0,e),g,!0,n,p))}}}}a.globalAlpha=1};d.prototype.renderLink=function(a,b,c,h,e,g,p){if(this.highquality_render){var n=q(b,c);this.render_connections_border&&0.6<this.scale&&(a.lineWidth=this.connections_width+4);!p&&h&&(p=d.link_type_colors[h.type]);p||(p=this.default_link_color);a.beginPath();this.render_curved_connections?(a.moveTo(b[0],b[1]),a.bezierCurveTo(b[0]+0.25*n,b[1],c[0]-0.25*n,c[1],c[0],c[1])):(a.moveTo(b[0]+10,b[1]),a.lineTo(0.5*
-(b[0]+10+(c[0]-10)),b[1]),a.lineTo(0.5*(b[0]+10+(c[0]-10)),c[1]),a.lineTo(c[0]-10,c[1]));this.render_connections_border&&0.6<this.scale&&!e&&(a.strokeStyle="rgba(0,0,0,0.5)",a.stroke());a.lineWidth=this.connections_width;a.fillStyle=a.strokeStyle=p;a.stroke();this.render_connection_arrows&&0.6<=this.scale&&this.render_connection_arrows&&0.6<this.scale&&(h=this.computeConnectionPoint(b,c,0.5),e=this.computeConnectionPoint(b,c,0.51),p=0,p=this.render_curved_connections?-Math.atan2(e[0]-h[0],e[1]-h[1]):
-c[1]>b[1]?0:Math.PI,a.save(),a.translate(h[0],h[1]),a.rotate(p),a.beginPath(),a.moveTo(-5,-5),a.lineTo(0,5),a.lineTo(5,-5),a.fill(),a.restore());if(g)for(g=0;5>g;++g)h=(0.001*f.getTime()+0.2*g)%1,h=this.computeConnectionPoint(b,c,h),a.beginPath(),a.arc(h[0],h[1],5,0,2*Math.PI),a.fill()}else a.beginPath(),a.moveTo(b[0],b[1]),a.lineTo(c[0],c[1]),a.stroke()};d.prototype.computeConnectionPoint=function(a,b,c){var h=q(a,b),f=[a[0]+0.25*h,a[1]],h=[b[0]-0.25*h,b[1]],d=(1-c)*(1-c)*(1-c),e=3*(1-c)*(1-c)*c,
-n=3*(1-c)*c*c;c*=c*c;return[d*a[0]+e*f[0]+n*h[0]+c*b[0],d*a[1]+e*f[1]+n*h[1]+c*b[1]]};d.prototype.resize=function(a,b){if(!a&&!b){var c=this.canvas.parentNode;a=c.offsetWidth;b=c.offsetHeight}if(this.canvas.width!=a||this.canvas.height!=b)this.canvas.width=a,this.canvas.height=b,this.bgcanvas.width=this.canvas.width,this.bgcanvas.height=this.canvas.height,this.setDirty(!0,!0)};d.prototype.switchLiveMode=function(a){if(a){var b=this,c=this.live_mode?1.1:0.9;this.live_mode&&(this.live_mode=!1,this.editor_alpha=
-0.1);var h=setInterval(function(){b.editor_alpha*=c;b.dirty_canvas=!0;b.dirty_bgcanvas=!0;1>c&&0.01>b.editor_alpha&&(clearInterval(h),1>c&&(b.live_mode=!0));1<c&&0.99<b.editor_alpha&&(clearInterval(h),b.editor_alpha=1)},1)}else this.live_mode=!this.live_mode,this.dirty_bgcanvas=this.dirty_canvas=!0};d.prototype.onNodeSelectionChange=function(a){};d.prototype.touchHandler=function(a){var b=a.changedTouches[0],c="";switch(a.type){case "touchstart":c="mousedown";break;case "touchmove":c="mousemove";
-break;case "touchend":c="mouseup";break;default:return}var h=this.getCanvasWindow(),f=h.document.createEvent("MouseEvent");f.initMouseEvent(c,!0,!0,h,1,b.screenX,b.screenY,b.clientX,b.clientY,!1,!1,!1,!1,0,null);b.target.dispatchEvent(f);a.preventDefault()};d.onMenuAdd=function(a,b,c,h){function e(a,b){var c=h.getFirstEvent(),d=f.createNode(a.value);d&&(d.pos=g.convertEventToCanvas(c),g.graph.add(d))}var g=d.active_canvas,p=g.getCanvasWindow();a=f.getNodeTypesCategories();b=[];for(var n in a)a[n]&&
-b.push({value:a[n],content:a[n],has_submenu:!0});var l=new f.ContextMenu(b,{event:c,callback:function(a,b,c){a=f.getNodeTypesInCategory(a.value);b=[];for(var h in a)b.push({content:a[h].title,value:a[h].type});new f.ContextMenu(b,{event:c,callback:e,parentMenu:l},p);return!1},parentMenu:h},p);return!1};d.onMenuCollapseAll=function(){};d.onMenuNodeEdit=function(){};d.showMenuNodeOptionalInputs=function(a,b,c,h,e){function g(a,b,c){e&&(a.callback&&a.callback.call(p,e,a,b,c),a.value&&(e.addInput(a.value[0],
-a.value[1],a.value[2]),e.setDirtyCanvas(!0,!0)))}if(e){var p=this;a=d.active_canvas.getCanvasWindow();b=e.optional_inputs;e.onGetInputs&&(b=e.onGetInputs());var n=[];if(b)for(var l in b){var q=b[l];if(q){var t=q[0];q[2]&&q[2].label&&(t=q[2].label);t={content:t,value:q};q[1]==f.ACTION&&(t.className="event");n.push(t)}else n.push(null)}this.onMenuNodeInputs&&(n=this.onMenuNodeInputs(n));if(n.length)return new f.ContextMenu(n,{event:c,callback:g,parentMenu:h,node:e},a),!1}};d.showMenuNodeOptionalOutputs=
-function(a,b,c,h,e){function g(a,b,c){if(e&&(a.callback&&a.callback.call(p,e,a,b,c),a.value))if(c=a.value[1],!c||c.constructor!==Object&&c.constructor!==Array)e.addOutput(a.value[0],a.value[1],a.value[2]),e.setDirtyCanvas(!0,!0);else{a=[];for(var d in c)a.push({content:d,value:c[d]});new f.ContextMenu(a,{event:b,callback:g,parentMenu:h,node:e});return!1}}if(e){var p=this;a=d.active_canvas.getCanvasWindow();b=e.optional_outputs;e.onGetOutputs&&(b=e.onGetOutputs());var n=[];if(b)for(var l in b){var q=
-b[l];if(!q)n.push(null);else if(!e.flags||!e.flags.skip_repeated_outputs||-1==e.findOutputSlot(q[0])){var t=q[0];q[2]&&q[2].label&&(t=q[2].label);t={content:t,value:q};q[1]==f.EVENT&&(t.className="event");n.push(t)}}this.onMenuNodeOutputs&&(n=this.onMenuNodeOutputs(n));if(n.length)return new f.ContextMenu(n,{event:c,callback:g,parentMenu:h,node:e},a),!1}};d.onShowMenuNodeProperties=function(a,b,c,h,e){function g(a,b,c,h){e&&(b=this.getBoundingClientRect(),p.showEditPropertyValue(e,a.value,{position:[b.left,
-b.top]}))}if(e&&e.properties){var p=d.active_canvas;b=p.getCanvasWindow();var n=[],l;for(l in e.properties)a=void 0!==e.properties[l]?e.properties[l]:" ",a=d.decodeHTML(a),n.push({content:"<span class='property_name'>"+l+"</span><span class='property_value'>"+a+"</span>",value:l});if(n.length)return new f.ContextMenu(n,{event:c,callback:g,parentMenu:h,allow_html:!0,node:e},b),!1}};d.decodeHTML=function(a){var b=document.createElement("div");b.innerText=a;return b.innerHTML};d.onResizeNode=function(a,
-b,c,h,f){f&&(f.size=f.computeSize(),f.setDirtyCanvas(!0,!0))};d.onShowTitleEditor=function(a,b,c,h,f){function e(){f.title=n.value;g.parentNode.removeChild(g);f.setDirtyCanvas(!0,!0)}var g=document.createElement("div");g.className="graphdialog";g.innerHTML="<span class='name'>Title</span><input autofocus type='text' class='value'/><button>OK</button>";var n=g.querySelector("input");n&&(n.value=f.title,n.addEventListener("keydown",function(a){13==a.keyCode&&(e(),a.preventDefault(),a.stopPropagation())}));
-a=d.active_canvas.canvas;b=a.getBoundingClientRect();h=c=-20;b&&(c-=b.left,h-=b.top);event?(g.style.left=event.pageX+c+"px",g.style.top=event.pageY+h+"px"):(g.style.left=0.5*a.width+c+"px",g.style.top=0.5*a.height+h+"px");g.querySelector("button").addEventListener("click",e);a.parentNode.appendChild(g)};d.prototype.showEditPropertyValue=function(a,b,c){function h(){f(A.value)}function f(c){"number"==typeof a.properties[b]&&(c=Number(c));a.properties[b]=c;if(a.onPropertyChanged)a.onPropertyChanged(b,
-c);l.close();a.setDirtyCanvas(!0,!0)}if(a&&void 0!==a.properties[b]){c=c||{};var d="string";null!==a.properties[b]&&(d=typeof a.properties[b]);var e=null;a.getPropertyInfo&&(e=a.getPropertyInfo(b));if(a.properties_info)for(var n=0;n<a.properties_info.length;++n)if(a.properties_info[n].name==b){e=a.properties_info[n];break}void 0!==e&&null!==e&&e.type&&(d=e.type);var g="";if("string"==d||"number"==d)g="<input autofocus type='text' class='value'/>";else if("enum"==d&&e.values){g="<select autofocus type='text' class='value'>";
-for(n in e.values)var p=e.values.constructor===Array?e.values[n]:n,g=g+("<option value='"+p+"' "+(p==a.properties[b]?"selected":"")+">"+e.values[n]+"</option>");g+="</select>"}else"boolean"==d&&(g="<input autofocus type='checkbox' class='value' "+(a.properties[b]?"checked":"")+"/>");var l=this.createDialog("<span class='name'>"+b+"</span>"+g+"<button>OK</button>",c);if("enum"==d&&e.values){var A=l.querySelector("select");A.addEventListener("change",function(a){f(a.target.value)})}else if("boolean"==
-d)(A=l.querySelector("input"))&&A.addEventListener("click",function(a){f(!!A.checked)});else if(A=l.querySelector("input"))A.value=void 0!==a.properties[b]?a.properties[b]:"",A.addEventListener("keydown",function(a){13==a.keyCode&&(h(),a.preventDefault(),a.stopPropagation())});l.querySelector("button").addEventListener("click",h)}};d.prototype.createDialog=function(a,b){b=b||{};var c=document.createElement("div");c.className="graphdialog";c.innerHTML=a;var h=this.canvas.getClientRects()[0],f=-20,
-d=-20;h&&(f-=h.left,d-=h.top);b.position?(f+=b.position[0],d+=b.position[1]):b.event?(f+=b.event.pageX,d+=b.event.pageY):(f+=0.5*this.canvas.width,d+=0.5*this.canvas.height);c.style.left=f+"px";c.style.top=d+"px";this.canvas.parentNode.appendChild(c);c.close=function(){this.parentNode&&this.parentNode.removeChild(this)};return c};d.onMenuNodeCollapse=function(a,b,c,h,f){f.flags.collapsed=!f.flags.collapsed;f.setDirtyCanvas(!0,!0)};d.onMenuNodePin=function(a,b,c,f,d){d.pin()};d.onMenuNodeMode=function(a,
-b,c,h,d){new f.ContextMenu(["Always","On Event","On Trigger","Never"],{event:c,callback:function(a){if(d)switch(a){case "On Event":d.mode=f.ON_EVENT;break;case "On Trigger":d.mode=f.ON_TRIGGER;break;case "Never":d.mode=f.NEVER;break;default:d.mode=f.ALWAYS}},parentMenu:h,node:d});return!1};d.onMenuNodeColors=function(a,b,c,h,e){if(!e)throw"no node for color";b=[];for(var g in d.node_colors)a=d.node_colors[g],a={value:g,content:"<span style='display: block; color:"+a.color+"; background-color:"+a.bgcolor+
-"'>"+g+"</span>"},b.push(a);new f.ContextMenu(b,{event:c,callback:function(a){e&&(a=d.node_colors[a.value])&&(e.color=a.color,e.bgcolor=a.bgcolor,e.setDirtyCanvas(!0))},parentMenu:h,node:e});return!1};d.onMenuNodeShapes=function(a,b,c,h,d){if(!d)throw"no node passed";new f.ContextMenu(f.VALID_SHAPES,{event:c,callback:function(a){d&&(d.shape=a,d.setDirtyCanvas(!0))},parentMenu:h,node:d});return!1};d.onMenuNodeRemove=function(a,b,c,f,d){if(!d)throw"no node passed";!1!=d.removable&&(d.graph.remove(d),
-d.setDirtyCanvas(!0,!0))};d.onMenuNodeClone=function(a,b,c,f,d){!1!=d.clonable&&(a=d.clone())&&(a.pos=[d.pos[0]+5,d.pos[1]+5],d.graph.add(a),d.setDirtyCanvas(!0,!0))};d.node_colors={red:{color:"#FAA",bgcolor:"#944"},green:{color:"#AFA",bgcolor:"#494"},blue:{color:"#AAF",bgcolor:"#449"},cyan:{color:"#AFF",bgcolor:"#499"},purple:{color:"#FAF",bgcolor:"#949"},yellow:{color:"#FFA",bgcolor:"#994"},black:{color:"#777",bgcolor:"#000"},white:{color:"#FFF",bgcolor:"#AAA"}};d.prototype.getCanvasMenuOptions=
-function(){var a=null;this.getMenuOptions?a=this.getMenuOptions():(a=[{content:"Add Node",has_submenu:!0,callback:d.onMenuAdd}],this._graph_stack&&0<this._graph_stack.length&&(a=[{content:"Close subgraph",callback:this.closeSubgraph.bind(this)},null].concat(a)));if(this.getExtraMenuOptions){var b=this.getExtraMenuOptions(this,a);b&&(a=a.concat(b))}return a};d.prototype.getNodeMenuOptions=function(a){var b=null,b=a.getMenuOptions?a.getMenuOptions(this):[{content:"Inputs",has_submenu:!0,disabled:!0,
-callback:d.showMenuNodeOptionalInputs},{content:"Outputs",has_submenu:!0,disabled:!0,callback:d.showMenuNodeOptionalOutputs},null,{content:"Properties",has_submenu:!0,callback:d.onShowMenuNodeProperties},null,{content:"Title",callback:d.onShowTitleEditor},{content:"Mode",has_submenu:!0,callback:d.onMenuNodeMode},{content:"Resize",callback:d.onResizeNode},{content:"Collapse",callback:d.onMenuNodeCollapse},{content:"Pin",callback:d.onMenuNodePin},{content:"Colors",has_submenu:!0,callback:d.onMenuNodeColors},
-{content:"Shapes",has_submenu:!0,callback:d.onMenuNodeShapes},null];if(a.getExtraMenuOptions){var c=a.getExtraMenuOptions(this);c&&(c.push(null),b=c.concat(b))}!1!==a.clonable&&b.push({content:"Clone",callback:d.onMenuNodeClone});!1!==a.removable&&b.push(null,{content:"Remove",callback:d.onMenuNodeRemove});a.onGetInputs&&(c=a.onGetInputs())&&c.length&&(b[0].disabled=!1);a.onGetOutputs&&(c=a.onGetOutputs())&&c.length&&(b[1].disabled=!1);if(a.graph&&a.graph.onGetNodeMenuOptions)a.graph.onGetNodeMenuOptions(b,
-a);return b};d.prototype.processContextMenu=function(a,b){var c=this,h=d.active_canvas.getCanvasWindow(),e=null,g={event:b,callback:function(b,f,h){if(b)if("Remove Slot"==b.content){var d=b.slot;d.input?a.removeInput(d.slot):d.output&&a.removeOutput(d.slot)}else if("Rename Slot"==b.content){var d=b.slot,e=c.createDialog("<span class='name'>Name</span><input type='text'/><button>OK</button>",f),g=e.querySelector("input");e.querySelector("button").addEventListener("click",function(b){if(g.value){if(b=
-d.input?a.getInputInfo(d.slot):a.getOutputInfo(d.slot))b.label=g.value;c.setDirty(!0)}e.close()})}},node:a},p=null;a&&(p=a.getSlotInPosition(b.canvasX,b.canvasY),d.active_node=a);p?(e=[],e.push(p.locked?"Cannot remove":{content:"Remove Slot",slot:p}),e.push({content:"Rename Slot",slot:p}),g.title=(p.input?p.input.type:p.output.type)||"*",p.input&&p.input.type==f.ACTION&&(g.title="Action"),p.output&&p.output.type==f.EVENT&&(g.title="Event")):e=a?this.getNodeMenuOptions(a):this.getCanvasMenuOptions();
-e&&new f.ContextMenu(e,g,h)};this.CanvasRenderingContext2D&&(CanvasRenderingContext2D.prototype.roundRect=function(a,b,c,f,d,e){void 0===d&&(d=5);void 0===e&&(e=d);this.beginPath();this.moveTo(a+d,b);this.lineTo(a+c-d,b);this.quadraticCurveTo(a+c,b,a+c,b+d);this.lineTo(a+c,b+f-e);this.quadraticCurveTo(a+c,b+f,a+c-e,b+f);this.lineTo(a+e,b+f);this.quadraticCurveTo(a,b+f,a,b+f-e);this.lineTo(a,b+d);this.quadraticCurveTo(a,b,a+d,b)});f.compareObjects=function(a,b){for(var c in a)if(a[c]!=b[c])return!1;
-return!0};f.distance=q;f.colorToString=function(a){return"rgba("+Math.round(255*a[0]).toFixed()+","+Math.round(255*a[1]).toFixed()+","+Math.round(255*a[2]).toFixed()+","+(4==a.length?a[3].toFixed(2):"1.0")+")"};f.isInsideRectangle=l;f.growBounding=function(a,b,c){b<a[0]?a[0]=b:b>a[2]&&(a[2]=b);c<a[1]?a[1]=c:c>a[3]&&(a[3]=c)};f.isInsideBounding=function(a,b){return a[0]<b[0][0]||a[1]<b[0][1]||a[0]>b[1][0]||a[1]>b[1][1]?!1:!0};f.overlapBounding=t;f.hex2num=function(a){"#"==a.charAt(0)&&(a=a.slice(1));
-a=a.toUpperCase();for(var b=Array(3),c=0,f,d,e=0;6>e;e+=2)f="0123456789ABCDEF".indexOf(a.charAt(e)),d="0123456789ABCDEF".indexOf(a.charAt(e+1)),b[c]=16*f+d,c++;return b};f.num2hex=function(a){for(var b="#",c,f,d=0;3>d;d++)c=a[d]/16,f=a[d]%16,b+="0123456789ABCDEF".charAt(c)+"0123456789ABCDEF".charAt(f);return b};u.prototype.addItem=function(a,b,c){function f(a){var b=this.value;b&&b.has_submenu&&d.call(this,a)}function d(a){var b=this.value,f=!0;e.current_submenu&&e.current_submenu.close(a);if(c.callback){var h=
-c.callback.call(this,b,c,a,e,c.node);!0===h&&(f=!1)}if(b&&(b.callback&&!c.ignore_item_callbacks&&!0!==b.disabled&&(h=b.callback.call(this,b,c,a,e,c.node),!0===h&&(f=!1)),b.submenu)){if(!b.submenu.options)throw"ContextMenu submenu needs options";new e.constructor(b.submenu.options,{callback:b.submenu.callback,event:a,parentMenu:e,ignore_item_callbacks:b.submenu.ignore_item_callbacks,title:b.submenu.title,autoopen:c.autoopen});f=!1}f&&!e.lock&&e.close()}var e=this;c=c||{};var g=document.createElement("div");
-g.className="litemenu-entry submenu";var n=!1;if(null===b)g.classList.add("separator");else{g.innerHTML=b&&b.title?b.title:a;if(g.value=b)b.disabled&&(n=!0,g.classList.add("disabled")),(b.submenu||b.has_submenu)&&g.classList.add("has_submenu");"function"==typeof b?(g.dataset.value=a,g.onclick_callback=b):g.dataset.value=b;b.className&&(g.className+=" "+b.className)}this.root.appendChild(g);n||g.addEventListener("click",d);c.autoopen&&g.addEventListener("mouseenter",f);return g};u.prototype.close=
-function(a,b){this.root.parentNode&&this.root.parentNode.removeChild(this.root);this.parentMenu&&!b&&(this.parentMenu.lock=!1,this.parentMenu.current_submenu=null,void 0===a?this.parentMenu.close():a&&!u.isCursorOverElement(a,this.parentMenu.root)&&u.trigger(this.parentMenu.root,"mouseleave",a));this.current_submenu&&this.current_submenu.close(a,!0)};u.trigger=function(a,b,c,f){var d=document.createEvent("CustomEvent");d.initCustomEvent(b,!0,!0,c);d.srcElement=f;a.dispatchEvent?a.dispatchEvent(d):
-a.__events&&a.__events.dispatchEvent(d);return d};u.prototype.getTopMenu=function(){return this.options.parentMenu?this.options.parentMenu.getTopMenu():this};u.prototype.getFirstEvent=function(){return this.options.parentMenu?this.options.parentMenu.getFirstEvent():this.options.event};u.isCursorOverElement=function(a,b){var c=a.pageX,f=a.pageY,d=b.getBoundingClientRect();return d?f>d.top&&f<d.top+d.height&&c>d.left&&c<d.left+d.width?!0:!1:!1};f.ContextMenu=u;f.closeAllContextMenus=function(a){a=a||
-window;a=a.document.querySelectorAll(".litecontextmenu");if(a.length){for(var b=[],c=0;c<a.length;c++)b.push(a[c]);for(c in b)b[c].close?b[c].close():b[c].parentNode&&b[c].parentNode.removeChild(b[c])}};f.extendClass=function(a,b){for(var c in b)a.hasOwnProperty(c)||(a[c]=b[c]);if(b.prototype)for(c in b.prototype)b.prototype.hasOwnProperty(c)&&!a.prototype.hasOwnProperty(c)&&(b.prototype.__lookupGetter__(c)?a.prototype.__defineGetter__(c,b.prototype.__lookupGetter__(c)):a.prototype[c]=b.prototype[c],
-b.prototype.__lookupSetter__(c)&&a.prototype.__defineSetter__(c,b.prototype.__lookupSetter__(c)))};f.getParameterNames=function(a){return(a+"").replace(/[/][/].*$/mg,"").replace(/\s+/g,"").replace(/[/][*][^/*]*[*][/]/g,"").split("){",1)[0].replace(/^[^(]*[(]/,"").replace(/=[^,]+/g,"").split(",").filter(Boolean)};"undefined"==typeof window||window.requestAnimationFrame||(window.requestAnimationFrame=window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||function(a){window.setTimeout(a,
-1E3/60)})})(this);"undefined"!=typeof exports&&(exports.LiteGraph=this.LiteGraph);
-(function(r){function e(){this.addOutput("in ms","number");this.addOutput("in sec","number")}function g(){this.size=[120,60];this.subgraph=new LGraph;this.subgraph._subgraph_node=this;this.subgraph._is_subgraph=!0;this.subgraph.onGlobalInputAdded=this.onSubgraphNewGlobalInput.bind(this);this.subgraph.onGlobalInputRenamed=this.onSubgraphRenamedGlobalInput.bind(this);this.subgraph.onGlobalInputTypeChanged=this.onSubgraphTypeChangeGlobalInput.bind(this);this.subgraph.onGlobalOutputAdded=this.onSubgraphNewGlobalOutput.bind(this);
-this.subgraph.onGlobalOutputRenamed=this.onSubgraphRenamedGlobalOutput.bind(this);this.subgraph.onGlobalOutputTypeChanged=this.onSubgraphTypeChangeGlobalOutput.bind(this);this.bgcolor="#663"}function d(){var a="input_"+(1E3*Math.random()).toFixed();this.addOutput(a,null);this.properties={name:a,type:null};var c=this;Object.defineProperty(this.properties,"name",{get:function(){return a},set:function(f){if(""!=f){var d=c.getOutputInfo(0);d.name!=f&&(d.name=f,c.graph&&c.graph.renameGlobalInput(a,f),
-a=f)}},enumerable:!0});Object.defineProperty(this.properties,"type",{get:function(){return c.outputs[0].type},set:function(f){c.outputs[0].type=f;c.graph&&c.graph.changeGlobalInputType(a,c.outputs[0].type)},enumerable:!0})}function q(){var a="output_"+(1E3*Math.random()).toFixed();this.addInput(a,null);this.properties={name:a,type:null};var c=this;Object.defineProperty(this.properties,"name",{get:function(){return a},set:function(f){if(""!=f){var d=c.getInputInfo(0);d.name!=f&&(d.name=f,c.graph&&
-c.graph.renameGlobalOutput(a,f),a=f)}},enumerable:!0});Object.defineProperty(this.properties,"type",{get:function(){return c.inputs[0].type},set:function(f){c.inputs[0].type=f;c.graph&&c.graph.changeGlobalInputType(a,c.inputs[0].type)},enumerable:!0})}function l(){this.addOutput("value","number");this.addProperty("value",1);this.editable={property:"value",type:"number"}}function t(){this.size=[60,20];this.addInput("value",0,{label:""});this.addOutput("value",0,{label:""});this.addProperty("value",
-"")}function u(){this.addInput("in",0);this.addOutput("out",0);this.size=[40,20]}function f(){this.mode=a.ON_EVENT;this.size=[60,20];this.addProperty("msg","");this.addInput("log",a.EVENT);this.addInput("msg",0)}function p(){this.size=[60,20];this.addProperty("onExecute","");this.addInput("in","");this.addInput("in2","");this.addOutput("out","");this.addOutput("out2","");this._func=null}var a=r.LiteGraph;e.title="Time";e.desc="Time";e.prototype.onExecute=function(){this.setOutputData(0,1E3*this.graph.globaltime);
-this.setOutputData(1,this.graph.globaltime)};a.registerNodeType("basic/time",e);g.title="Subgraph";g.desc="Graph inside a node";g.prototype.onSubgraphNewGlobalInput=function(a,c){this.addInput(a,c)};g.prototype.onSubgraphRenamedGlobalInput=function(a,c){var f=this.findInputSlot(a);-1!=f&&(this.getInputInfo(f).name=c)};g.prototype.onSubgraphTypeChangeGlobalInput=function(a,c){var f=this.findInputSlot(a);-1!=f&&(this.getInputInfo(f).type=c)};g.prototype.onSubgraphNewGlobalOutput=function(a,c){this.addOutput(a,
-c)};g.prototype.onSubgraphRenamedGlobalOutput=function(a,c){var f=this.findOutputSlot(a);-1!=f&&(this.getOutputInfo(f).name=c)};g.prototype.onSubgraphTypeChangeGlobalOutput=function(a,c){var f=this.findOutputSlot(a);-1!=f&&(this.getOutputInfo(f).type=c)};g.prototype.getExtraMenuOptions=function(a){var c=this;return[{content:"Open",callback:function(){a.openSubgraph(c.subgraph)}}]};g.prototype.onExecute=function(){if(this.inputs)for(var a=0;a<this.inputs.length;a++){var c=this.inputs[a],f=this.getInputData(a);
-this.subgraph.setGlobalInputData(c.name,f)}this.subgraph.runStep();if(this.outputs)for(a=0;a<this.outputs.length;a++)f=this.subgraph.getGlobalOutputData(this.outputs[a].name),this.setOutputData(a,f)};g.prototype.configure=function(a){LGraphNode.prototype.configure.call(this,a)};g.prototype.serialize=function(){var a=LGraphNode.prototype.serialize.call(this);a.subgraph=this.subgraph.serialize();return a};g.prototype.clone=function(){var b=a.createNode(this.type),c=this.serialize();delete c.id;delete c.inputs;
-delete c.outputs;b.configure(c);return b};a.registerNodeType("graph/subgraph",g);d.title="Input";d.desc="Input of the graph";d.prototype.onAdded=function(){this.graph.addGlobalInput(this.properties.name,this.properties.type)};d.prototype.onExecute=function(){var a=this.graph.global_inputs[this.properties.name];a&&this.setOutputData(0,a.value)};a.registerNodeType("graph/input",d);q.title="Ouput";q.desc="Output of the graph";q.prototype.onAdded=function(){this.graph.addGlobalOutput(this.properties.name,
-this.properties.type)};q.prototype.onExecute=function(){this.graph.setGlobalOutputData(this.properties.name,this.getInputData(0))};a.registerNodeType("graph/output",q);l.title="Const";l.desc="Constant value";l.prototype.setValue=function(a){"string"==typeof a&&(a=parseFloat(a));this.properties.value=a;this.setDirtyCanvas(!0)};l.prototype.onExecute=function(){this.setOutputData(0,parseFloat(this.properties.value))};l.prototype.onDrawBackground=function(a){this.outputs[0].label=this.properties.value.toFixed(3)};
-l.prototype.onWidget=function(a,c){"value"==c.name&&this.setValue(c.value)};a.registerNodeType("basic/const",l);t.title="Watch";t.desc="Show value of input";t.prototype.onExecute=function(){this.properties.value=this.getInputData(0);this.setOutputData(0,this.properties.value)};t.prototype.onDrawBackground=function(a){this.inputs[0]&&null!=this.properties.value&&(this.properties.value.constructor===Number?this.inputs[0].label=this.properties.value.toFixed(3):((a=this.properties.value)&&a.length&&(a=
-Array.prototype.slice.call(a).join(",")),this.inputs[0].label=a))};a.registerNodeType("basic/watch",t);u.title="Pass";u.desc="Allows to connect different types";u.prototype.onExecute=function(){this.setOutputData(0,this.getInputData(0))};a.registerNodeType("basic/pass",u);f.title="Console";f.desc="Show value inside the console";f.prototype.onAction=function(a,c){"log"==a?console.log(c):"warn"==a?console.warn(c):"error"==a&&console.error(c)};f.prototype.onExecute=function(){var a=this.getInputData(1);
-null!==a&&(this.properties.msg=a);console.log(a)};f.prototype.onGetInputs=function(){return[["log",a.ACTION],["warn",a.ACTION],["error",a.ACTION]]};a.registerNodeType("basic/console",f);p.title="Script";p.desc="executes a code";p.widgets_info={onExecute:{type:"code"}};p.prototype.onPropertyChanged=function(b,c){if("onExecute"==b&&a.allow_scripts){this._func=null;try{this._func=new Function(c)}catch(f){console.error("Error parsing script"),console.error(f)}}};p.prototype.onExecute=function(){if(this._func)try{this._func.call(this)}catch(a){console.error("Error in script"),
-console.error(a)}};a.registerNodeType("basic/script",p)})(this);
-(function(r){function e(){this.size=[60,20];this.addInput("event",q.ACTION)}function g(){this.size=[60,20];this.addInput("event",q.ACTION);this.addOutput("event",q.EVENT);this.properties={equal_to:"",has_property:"",property_equal_to:""}}function d(){this.size=[60,20];this.addProperty("time",1E3);this.addInput("event",q.ACTION);this.addOutput("on_time",q.EVENT);this._pending=[]}var q=r.LiteGraph;e.title="Log Event";e.desc="Log event in console";e.prototype.onAction=function(d,e){console.log(d,e)};
-q.registerNodeType("events/log",e);g.title="Filter Event";g.desc="Blocks events that do not match the filter";g.prototype.onAction=function(d,e){if(null!=e&&(!this.properties.equal_to||this.properties.equal_to==e)){if(this.properties.has_property){var g=e[this.properties.has_property];if(null==g||this.properties.property_equal_to&&this.properties.property_equal_to!=g)return}this.triggerSlot(0,e)}};q.registerNodeType("events/filter",g);d.title="Delay";d.desc="Delays one event";d.prototype.onAction=
-function(d,e){this._pending.push([this.properties.time,e])};d.prototype.onExecute=function(){for(var d=1E3*this.graph.elapsed_time,e=0;e<this._pending.length;++e){var g=this._pending[e];g[0]-=d;0<g[0]||(this._pending.splice(e,1),--e,this.trigger(null,g[1]))}};d.prototype.onGetInputs=function(){return[["event",q.ACTION]]};q.registerNodeType("events/delay",d)})(this);
-(function(r){function e(){this.addOutput("clicked",u.EVENT);this.addProperty("text","");this.addProperty("font","40px Arial");this.addProperty("message","");this.size=[64,84]}function g(){this.addOutput("","number");this.size=[64,84];this.properties={min:0,max:1,value:0.5,wcolor:"#7AF",size:50}}function d(){this.size=[160,26];this.addOutput("","number");this.properties={wcolor:"#7AF",min:0,max:1,value:0.5}}function q(){this.size=[160,26];this.addInput("","number");this.properties={min:0,max:1,value:0,
-wcolor:"#AAF"}}function l(){this.addInputs("",0);this.properties={value:"...",font:"Arial",fontsize:18,color:"#AAA",align:"left",glowSize:0,decimals:1}}function t(){this.size=[200,100];this.properties={borderColor:"#ffffff",bgcolorTop:"#f0f0f0",bgcolorBottom:"#e0e0e0",shadowSize:2,borderRadius:3}}var u=r.LiteGraph;e.title="Button";e.desc="Triggers an event";e.prototype.onDrawForeground=function(f){!this.flags.collapsed&&(f.fillStyle="black",f.fillRect(1,1,this.size[0]-3,this.size[1]-3),f.fillStyle=
-"#AAF",f.fillRect(0,0,this.size[0]-3,this.size[1]-3),f.fillStyle=this.clicked?"white":this.mouseOver?"#668":"#334",f.fillRect(1,1,this.size[0]-4,this.size[1]-4),this.properties.text||0===this.properties.text)&&(f.textAlign="center",f.fillStyle=this.clicked?"black":"white",this.properties.font&&(f.font=this.properties.font),f.fillText(this.properties.text,0.5*this.size[0],0.85*this.size[1]),f.textAlign="left")};e.prototype.onMouseDown=function(f,d){if(1<d[0]&&1<d[1]&&d[0]<this.size[0]-2&&d[1]<this.size[1]-
-2)return this.clicked=!0,this.trigger("clicked",this.properties.message),!0};e.prototype.onMouseUp=function(f){this.clicked=!1};u.registerNodeType("widget/button",e);g.title="Knob";g.desc="Circular controller";g.widgets=[{name:"increase",text:"+",type:"minibutton"},{name:"decrease",text:"-",type:"minibutton"}];g.prototype.onAdded=function(){this.value=(this.properties.value-this.properties.min)/(this.properties.max-this.properties.min);this.imgbg=this.loadImage("imgs/knob_bg.png");this.imgfg=this.loadImage("imgs/knob_fg.png")};
-g.prototype.onDrawImageKnob=function(f){if(this.imgfg&&this.imgfg.width){var d=0.5*this.imgbg.width,a=this.size[0]/this.imgfg.width;f.save();f.translate(0,20);f.scale(a,a);f.drawImage(this.imgbg,0,0);f.translate(d,d);f.rotate(2*this.value*Math.PI*6/8+10*Math.PI/8);f.translate(-d,-d);f.drawImage(this.imgfg,0,0);f.restore();this.title&&(f.font="bold 16px Criticized,Tahoma",f.fillStyle="rgba(100,100,100,0.8)",f.textAlign="center",f.fillText(this.title.toUpperCase(),0.5*this.size[0],18),f.textAlign="left")}};
-g.prototype.onDrawVectorKnob=function(f){if(this.imgfg&&this.imgfg.width){f.lineWidth=1;f.strokeStyle=this.mouseOver?"#FFF":"#AAA";f.fillStyle="#000";f.beginPath();f.arc(0.5*this.size[0],0.5*this.size[1]+10,0.5*this.properties.size,0,2*Math.PI,!0);f.stroke();0<this.value&&(f.strokeStyle=this.properties.wcolor,f.lineWidth=0.2*this.properties.size,f.beginPath(),f.arc(0.5*this.size[0],0.5*this.size[1]+10,0.35*this.properties.size,-0.5*Math.PI+2*Math.PI*this.value,-0.5*Math.PI,!0),f.stroke(),f.lineWidth=
-1);f.font=0.2*this.properties.size+"px Arial";f.fillStyle="#AAA";f.textAlign="center";var d=this.properties.value;"number"==typeof d&&(d=d.toFixed(2));f.fillText(d,0.5*this.size[0],0.65*this.size[1]);f.textAlign="left"}};g.prototype.onDrawForeground=function(f){this.onDrawImageKnob(f)};g.prototype.onExecute=function(){this.setOutputData(0,this.properties.value);this.boxcolor=u.colorToString([this.value,this.value,this.value])};g.prototype.onMouseDown=function(f){if(this.imgfg&&this.imgfg.width){this.center=
-[0.5*this.size[0],0.5*this.size[1]+20];this.radius=0.5*this.size[0];if(20>f.canvasY-this.pos[1]||u.distance([f.canvasX,f.canvasY],[this.pos[0]+this.center[0],this.pos[1]+this.center[1]])>this.radius)return!1;this.oldmouse=[f.canvasX-this.pos[0],f.canvasY-this.pos[1]];this.captureInput(!0);return!0}};g.prototype.onMouseMove=function(f){if(this.oldmouse){f=[f.canvasX-this.pos[0],f.canvasY-this.pos[1]];var d=this.value,d=d-0.01*(f[1]-this.oldmouse[1]);1<d?d=1:0>d&&(d=0);this.value=d;this.properties.value=
-this.properties.min+(this.properties.max-this.properties.min)*this.value;this.oldmouse=f;this.setDirtyCanvas(!0)}};g.prototype.onMouseUp=function(f){this.oldmouse&&(this.oldmouse=null,this.captureInput(!1))};g.prototype.onMouseLeave=function(f){};g.prototype.onWidget=function(f,d){if("increase"==d.name)this.onPropertyChanged("size",this.properties.size+10);else if("decrease"==d.name)this.onPropertyChanged("size",this.properties.size-10)};g.prototype.onPropertyChanged=function(f,d){if("wcolor"==f)this.properties[f]=
-d;else if("size"==f)d=parseInt(d),this.properties[f]=d,this.size=[d+4,d+24],this.setDirtyCanvas(!0,!0);else if("min"==f||"max"==f||"value"==f)this.properties[f]=parseFloat(d);else return!1;return!0};u.registerNodeType("widget/knob",g);d.title="H.Slider";d.desc="Linear slider controller";d.prototype.onAdded=function(){this.value=0.5;this.imgfg=this.loadImage("imgs/slider_fg.png")};d.prototype.onDrawVectorial=function(d){this.imgfg&&this.imgfg.width&&(d.lineWidth=1,d.strokeStyle=this.mouseOver?"#FFF":
-"#AAA",d.fillStyle="#000",d.beginPath(),d.rect(2,0,this.size[0]-4,20),d.stroke(),d.fillStyle=this.properties.wcolor,d.beginPath(),d.rect(2+(this.size[0]-4-20)*this.value,0,20,20),d.fill())};d.prototype.onDrawImage=function(d){this.imgfg&&this.imgfg.width&&(d.lineWidth=1,d.fillStyle="#000",d.fillRect(2,9,this.size[0]-4,2),d.strokeStyle="#333",d.beginPath(),d.moveTo(2,9),d.lineTo(this.size[0]-4,9),d.stroke(),d.strokeStyle="#AAA",d.beginPath(),d.moveTo(2,11),d.lineTo(this.size[0]-4,11),d.stroke(),d.drawImage(this.imgfg,
-2+(this.size[0]-4)*this.value-0.5*this.imgfg.width,0.5*-this.imgfg.height+10))};d.prototype.onDrawForeground=function(d){this.onDrawImage(d)};d.prototype.onExecute=function(){this.properties.value=this.properties.min+(this.properties.max-this.properties.min)*this.value;this.setOutputData(0,this.properties.value);this.boxcolor=u.colorToString([this.value,this.value,this.value])};d.prototype.onMouseDown=function(d){if(0>d.canvasY-this.pos[1])return!1;this.oldmouse=[d.canvasX-this.pos[0],d.canvasY-this.pos[1]];
-this.captureInput(!0);return!0};d.prototype.onMouseMove=function(d){if(this.oldmouse){d=[d.canvasX-this.pos[0],d.canvasY-this.pos[1]];var e=this.value,e=e+(d[0]-this.oldmouse[0])/this.size[0];1<e?e=1:0>e&&(e=0);this.value=e;this.oldmouse=d;this.setDirtyCanvas(!0)}};d.prototype.onMouseUp=function(d){this.oldmouse=null;this.captureInput(!1)};d.prototype.onMouseLeave=function(d){};d.prototype.onPropertyChanged=function(d,e){if("wcolor"==d)this.properties[d]=e;else return!1;return!0};u.registerNodeType("widget/hslider",
-d);q.title="Progress";q.desc="Shows data in linear progress";q.prototype.onExecute=function(){var d=this.getInputData(0);void 0!=d&&(this.properties.value=d)};q.prototype.onDrawForeground=function(d){d.lineWidth=1;d.fillStyle=this.properties.wcolor;var e=(this.properties.value-this.properties.min)/(this.properties.max-this.properties.min),e=Math.min(1,e),e=Math.max(0,e);d.fillRect(2,2,(this.size[0]-4)*e,this.size[1]-4)};u.registerNodeType("widget/progress",q);l.title="Text";l.desc="Shows the input value";
-l.widgets=[{name:"resize",text:"Resize box",type:"button"},{name:"led_text",text:"LED",type:"minibutton"},{name:"normal_text",text:"Normal",type:"minibutton"}];l.prototype.onDrawForeground=function(d){d.fillStyle=this.properties.color;var e=this.properties.value;this.properties.glowSize?(d.shadowColor=this.properties.color,d.shadowOffsetX=0,d.shadowOffsetY=0,d.shadowBlur=this.properties.glowSize):d.shadowColor="transparent";var a=this.properties.fontsize;d.textAlign=this.properties.align;d.font=a.toString()+
-"px "+this.properties.font;this.str="number"==typeof e?e.toFixed(this.properties.decimals):e;if("string"==typeof this.str){var e=this.str.split("\\n"),b;for(b in e)d.fillText(e[b],"left"==this.properties.align?15:this.size[0]-15,-0.15*a+a*(parseInt(b)+1))}d.shadowColor="transparent";this.last_ctx=d;d.textAlign="left"};l.prototype.onExecute=function(){var d=this.getInputData(0);null!=d&&(this.properties.value=d)};l.prototype.resize=function(){if(this.last_ctx){var d=this.str.split("\\n");this.last_ctx.font=
-this.properties.fontsize+"px "+this.properties.font;var e=0,a;for(a in d){var b=this.last_ctx.measureText(d[a]).width;e<b&&(e=b)}this.size[0]=e+20;this.size[1]=4+d.length*this.properties.fontsize;this.setDirtyCanvas(!0)}};l.prototype.onWidget=function(d,e){"resize"==e.name?this.resize():"led_text"==e.name?(this.properties.font="Digital",this.properties.glowSize=4,this.setDirtyCanvas(!0)):"normal_text"==e.name&&(this.properties.font="Arial",this.setDirtyCanvas(!0))};l.prototype.onPropertyChanged=function(d,
-e){this.properties[d]=e;this.str="number"==typeof e?e.toFixed(3):e;return!0};u.registerNodeType("widget/text",l);t.title="Panel";t.desc="Non interactive panel";t.widgets=[{name:"update",text:"Update",type:"button"}];t.prototype.createGradient=function(d){""==this.properties.bgcolorTop||""==this.properties.bgcolorBottom?this.lineargradient=0:(this.lineargradient=d.createLinearGradient(0,0,0,this.size[1]),this.lineargradient.addColorStop(0,this.properties.bgcolorTop),this.lineargradient.addColorStop(1,
-this.properties.bgcolorBottom))};t.prototype.onDrawForeground=function(d){null==this.lineargradient&&this.createGradient(d);this.lineargradient&&(d.lineWidth=1,d.strokeStyle=this.properties.borderColor,d.fillStyle=this.lineargradient,this.properties.shadowSize?(d.shadowColor="#000",d.shadowOffsetX=0,d.shadowOffsetY=0,d.shadowBlur=this.properties.shadowSize):d.shadowColor="transparent",d.roundRect(0,0,this.size[0]-1,this.size[1]-1,this.properties.shadowSize),d.fill(),d.shadowColor="transparent",d.stroke())};
-t.prototype.onWidget=function(d,e){"update"==e.name&&(this.lineargradient=null,this.setDirtyCanvas(!0))};u.registerNodeType("widget/panel",t)})(this);
-(function(r){function e(){this.addOutput("left_x_axis","number");this.addOutput("left_y_axis","number");this.addOutput("button_pressed",g.EVENT);this.properties={gamepad_index:0,threshold:0.1};this._left_axis=new Float32Array(2);this._right_axis=new Float32Array(2);this._triggers=new Float32Array(2);this._previous_buttons=new Uint8Array(17);this._current_buttons=new Uint8Array(17)}var g=r.LiteGraph;e.title="Gamepad";e.desc="gets the input of the gamepad";e.zero=new Float32Array(2);e.buttons="a b x y lb rb lt rt back start ls rs home".split(" ");
-e.prototype.onExecute=function(){var d=this.getGamepad(),g=this.properties.threshold||0;d&&(this._left_axis[0]=Math.abs(d.xbox.axes.lx)>g?d.xbox.axes.lx:0,this._left_axis[1]=Math.abs(d.xbox.axes.ly)>g?d.xbox.axes.ly:0,this._right_axis[0]=Math.abs(d.xbox.axes.rx)>g?d.xbox.axes.rx:0,this._right_axis[1]=Math.abs(d.xbox.axes.ry)>g?d.xbox.axes.ry:0,this._triggers[0]=Math.abs(d.xbox.axes.ltrigger)>g?d.xbox.axes.ltrigger:0,this._triggers[1]=Math.abs(d.xbox.axes.rtrigger)>g?d.xbox.axes.rtrigger:0);if(this.outputs)for(g=
-0;g<this.outputs.length;g++){var l=this.outputs[g];if(l.links&&l.links.length){var t=null;if(d)switch(l.name){case "left_axis":t=this._left_axis;break;case "right_axis":t=this._right_axis;break;case "left_x_axis":t=this._left_axis[0];break;case "left_y_axis":t=this._left_axis[1];break;case "right_x_axis":t=this._right_axis[0];break;case "right_y_axis":t=this._right_axis[1];break;case "trigger_left":t=this._triggers[0];break;case "trigger_right":t=this._triggers[1];break;case "a_button":t=d.xbox.buttons.a?
-1:0;break;case "b_button":t=d.xbox.buttons.b?1:0;break;case "x_button":t=d.xbox.buttons.x?1:0;break;case "y_button":t=d.xbox.buttons.y?1:0;break;case "lb_button":t=d.xbox.buttons.lb?1:0;break;case "rb_button":t=d.xbox.buttons.rb?1:0;break;case "ls_button":t=d.xbox.buttons.ls?1:0;break;case "rs_button":t=d.xbox.buttons.rs?1:0;break;case "start_button":t=d.xbox.buttons.start?1:0;break;case "back_button":t=d.xbox.buttons.back?1:0;break;case "button_pressed":for(l=0;l<this._current_buttons.length;++l)this._current_buttons[l]&&
-!this._previous_buttons[l]&&this.triggerSlot(g,e.buttons[l])}else switch(l.name){case "button_pressed":break;case "left_axis":case "right_axis":t=e.zero;break;default:t=0}this.setOutputData(g,t)}}};e.prototype.getGamepad=function(){var d=navigator.getGamepads||navigator.webkitGetGamepads||navigator.mozGetGamepads;if(!d)return null;var e=d.call(navigator),d=null;this._previous_buttons.set(this._current_buttons);for(d=this.properties.gamepad_index;4>d;d++)if(e[d]){d=e[d];e=this.xbox_mapping;e||(e=this.xbox_mapping=
-{axes:[],buttons:{},hat:""});e.axes.lx=d.axes[0];e.axes.ly=d.axes[1];e.axes.rx=d.axes[2];e.axes.ry=d.axes[3];e.axes.ltrigger=d.buttons[6].value;e.axes.rtrigger=d.buttons[7].value;for(var g=0;g<d.buttons.length;g++)switch(this._current_buttons[g]=d.buttons[g].pressed,g){case 0:e.buttons.a=d.buttons[g].pressed;break;case 1:e.buttons.b=d.buttons[g].pressed;break;case 2:e.buttons.x=d.buttons[g].pressed;break;case 3:e.buttons.y=d.buttons[g].pressed;break;case 4:e.buttons.lb=d.buttons[g].pressed;break;
-case 5:e.buttons.rb=d.buttons[g].pressed;break;case 6:e.buttons.lt=d.buttons[g].pressed;break;case 7:e.buttons.rt=d.buttons[g].pressed;break;case 8:e.buttons.back=d.buttons[g].pressed;break;case 9:e.buttons.start=d.buttons[g].pressed;break;case 10:e.buttons.ls=d.buttons[g].pressed;break;case 11:e.buttons.rs=d.buttons[g].pressed;break;case 12:d.buttons[g].pressed&&(e.hat+="up");break;case 13:d.buttons[g].pressed&&(e.hat+="down");break;case 14:d.buttons[g].pressed&&(e.hat+="left");break;case 15:d.buttons[g].pressed&&
-(e.hat+="right");break;case 16:e.buttons.home=d.buttons[g].pressed}d.xbox=e;return d}};e.prototype.onDrawBackground=function(d){var e=this._left_axis,g=this._right_axis;d.strokeStyle="#88A";d.strokeRect(0.5*(e[0]+1)*this.size[0]-4,0.5*(e[1]+1)*this.size[1]-4,8,8);d.strokeStyle="#8A8";d.strokeRect(0.5*(g[0]+1)*this.size[0]-4,0.5*(g[1]+1)*this.size[1]-4,8,8);e=this.size[1]/this._current_buttons.length;d.fillStyle="#AEB";for(g=0;g<this._current_buttons.length;++g)this._current_buttons[g]&&d.fillRect(0,
-e*g,6,e)};e.prototype.onGetOutputs=function(){return[["left_axis","vec2"],["right_axis","vec2"],["left_x_axis","number"],["left_y_axis","number"],["right_x_axis","number"],["right_y_axis","number"],["trigger_left","number"],["trigger_right","number"],["a_button","number"],["b_button","number"],["x_button","number"],["y_button","number"],["lb_button","number"],["rb_button","number"],["ls_button","number"],["rs_button","number"],["start","number"],["back","number"],["button_pressed",g.EVENT]]};g.registerNodeType("input/gamepad",
-e)})(this);
-(function(r){function e(){this.addInput("in","*");this.size=[60,20]}function g(){this.addInput("in");this.addOutput("out");this.size=[60,20]}function d(){this.addInput("in","number",{locked:!0});this.addOutput("out","number",{locked:!0});this.addProperty("in",0);this.addProperty("in_min",0);this.addProperty("in_max",1);this.addProperty("out_min",0);this.addProperty("out_max",1)}function q(){this.addOutput("value","number");this.addProperty("min",0);this.addProperty("max",1);this.size=[60,20]}function l(){this.addInput("in",
-"number");this.addOutput("out","number");this.size=[60,20];this.addProperty("min",0);this.addProperty("max",1)}function t(){this.properties={f:0.5};this.addInput("A","number");this.addInput("B","number");this.addOutput("out","number")}function u(){this.addInput("in","number");this.addOutput("out","number");this.size=[60,20]}function f(){this.addInput("in","number");this.addOutput("out","number");this.size=[60,20]}function p(){this.addInput("in","number");this.addOutput("out","number");this.size=[60,
-20]}function a(){this.addInput("in","number");this.addOutput("out","number");this.size=[60,20];this.properties={A:0,B:1}}function b(){this.addInput("in","number",{label:""});this.addOutput("out","number",{label:""});this.size=[60,20];this.addProperty("factor",1)}function c(){this.addInput("in","number");this.addOutput("out","number");this.size=[60,20];this.addProperty("samples",10);this._values=new Float32Array(10);this._current=0}function h(){this.addInput("A","number");this.addInput("B","number");
-this.addOutput("=","number");this.addProperty("A",1);this.addProperty("B",1);this.addProperty("OP","+","string",{values:h.values})}function k(){this.addInput("A","number");this.addInput("B","number");this.addOutput("A==B","boolean");this.addOutput("A!=B","boolean");this.addProperty("A",0);this.addProperty("B",0)}function v(){this.addInput("A","number");this.addInput("B","number");this.addOutput("out","boolean");this.addProperty("A",1);this.addProperty("B",1);this.addProperty("OP",">","string",{values:v.values});
-this.size=[60,40]}function s(){this.addInput("inc","number");this.addOutput("total","number");this.addProperty("increment",1);this.addProperty("value",0)}function n(){this.addInput("v","number");this.addOutput("sin","number");this.addProperty("amplitude",1);this.addProperty("offset",0);this.bgImageUrl="nodes/imgs/icon-sin.png"}function y(){this.addInput("vec2","vec2");this.addOutput("x","number");this.addOutput("y","number")}function x(){this.addInputs([["x","number"],["y","number"]]);this.addOutput("vec2",
-"vec2");this.properties={x:0,y:0};this._data=new Float32Array(2)}function z(){this.addInput("vec3","vec3");this.addOutput("x","number");this.addOutput("y","number");this.addOutput("z","number")}function A(){this.addInputs([["x","number"],["y","number"],["z","number"]]);this.addOutput("vec3","vec3");this.properties={x:0,y:0,z:0};this._data=new Float32Array(3)}function C(){this.addInput("vec4","vec4");this.addOutput("x","number");this.addOutput("y","number");this.addOutput("z","number");this.addOutput("w",
-"number")}function D(){this.addInputs([["x","number"],["y","number"],["z","number"],["w","number"]]);this.addOutput("vec4","vec4");this.properties={x:0,y:0,z:0,w:0};this._data=new Float32Array(4)}var w=r.LiteGraph;e.title="Converter";e.desc="type A to type B";e.prototype.onExecute=function(){var a=this.getInputData(0);if(null!=a&&this.outputs)for(var b=0;b<this.outputs.length;b++){var c=this.outputs[b];if(c.links&&c.links.length){var d=null;switch(c.name){case "number":d=a.length?a[0]:parseFloat(a);
-break;case "vec2":case "vec3":case "vec4":d=1;switch(c.name){case "vec2":d=2;break;case "vec3":d=3;break;case "vec4":d=4}d=new Float32Array(d);if(a.length)for(c=0;c<a.length&&c<d.length;c++)d[c]=a[c];else d[0]=parseFloat(a)}this.setOutputData(b,d)}}};e.prototype.onGetOutputs=function(){return[["number","number"],["vec2","vec2"],["vec3","vec3"],["vec4","vec4"]]};w.registerNodeType("math/converter",e);g.title="Bypass";g.desc="removes the type";g.prototype.onExecute=function(){var a=this.getInputData(0);
-this.setOutputData(0,a)};w.registerNodeType("math/bypass",g);d.title="Range";d.desc="Convert a number from one range to another";d.prototype.onExecute=function(){if(this.inputs)for(var a=0;a<this.inputs.length;a++){var b=this.inputs[a],c=this.getInputData(a);void 0!==c&&(this.properties[b.name]=c)}c=this.properties["in"];if(void 0===c||null===c||c.constructor!==Number)c=0;a=this.properties.in_min;b=this.properties.out_min;this._last_v=(c-a)/(this.properties.in_max-a)*(this.properties.out_max-b)+b;
-this.setOutputData(0,this._last_v)};d.prototype.onDrawBackground=function(a){this.outputs[0].label=this._last_v?this._last_v.toFixed(3):"?"};d.prototype.onGetInputs=function(){return[["in_min","number"],["in_max","number"],["out_min","number"],["out_max","number"]]};w.registerNodeType("math/range",d);q.title="Rand";q.desc="Random number";q.prototype.onExecute=function(){if(this.inputs)for(var a=0;a<this.inputs.length;a++){var b=this.inputs[a],c=this.getInputData(a);void 0!==c&&(this.properties[b.name]=
-c)}a=this.properties.min;b=this.properties.max;this._last_v=Math.random()*(b-a)+a;this.setOutputData(0,this._last_v)};q.prototype.onDrawBackground=function(a){this.outputs[0].label=this._last_v?this._last_v.toFixed(3):"?"};q.prototype.onGetInputs=function(){return[["min","number"],["max","number"]]};w.registerNodeType("math/rand",q);l.title="Clamp";l.desc="Clamp number between min and max";l.filter="shader";l.prototype.onExecute=function(){var a=this.getInputData(0);null!=a&&(a=Math.max(this.properties.min,
-a),a=Math.min(this.properties.max,a),this.setOutputData(0,a))};l.prototype.getCode=function(a){a="";this.isInputConnected(0)&&(a+="clamp({{0}},"+this.properties.min+","+this.properties.max+")");return a};w.registerNodeType("math/clamp",l);t.title="Lerp";t.desc="Linear Interpolation";t.prototype.onExecute=function(){var a=this.getInputData(0);null==a&&(a=0);var b=this.getInputData(1);null==b&&(b=0);var c=this.properties.f,d=this.getInputData(2);void 0!==d&&(c=d);this.setOutputData(0,a*(1-c)+b*c)};
-t.prototype.onGetInputs=function(){return[["f","number"]]};w.registerNodeType("math/lerp",t);u.title="Abs";u.desc="Absolute";u.prototype.onExecute=function(){var a=this.getInputData(0);null!=a&&this.setOutputData(0,Math.abs(a))};w.registerNodeType("math/abs",u);f.title="Floor";f.desc="Floor number to remove fractional part";f.prototype.onExecute=function(){var a=this.getInputData(0);null!=a&&this.setOutputData(0,Math.floor(a))};w.registerNodeType("math/floor",f);p.title="Frac";p.desc="Returns fractional part";
-p.prototype.onExecute=function(){var a=this.getInputData(0);null!=a&&this.setOutputData(0,a%1)};w.registerNodeType("math/frac",p);a.title="Smoothstep";a.desc="Smoothstep";a.prototype.onExecute=function(){var a=this.getInputData(0);if(void 0!==a){var b=this.properties.A,a=Math.clamp((a-b)/(this.properties.B-b),0,1);this.setOutputData(0,a*a*(3-2*a))}};w.registerNodeType("math/smoothstep",a);b.title="Scale";b.desc="v * factor";b.prototype.onExecute=function(){var a=this.getInputData(0);null!=a&&this.setOutputData(0,
-a*this.properties.factor)};w.registerNodeType("math/scale",b);c.title="Average";c.desc="Average Filter";c.prototype.onExecute=function(){var a=this.getInputData(0);null==a&&(a=0);var b=this._values.length;this._values[this._current%b]=a;this._current+=1;this._current>b&&(this._current=0);for(var c=a=0;c<b;++c)a+=this._values[c];this.setOutputData(0,a/b)};c.prototype.onPropertyChanged=function(a,b){1>b&&(b=1);this.properties.samples=Math.round(b);var c=this._values;this._values=new Float32Array(this.properties.samples);
-c.length<=this._values.length?this._values.set(c):this._values.set(c.subarray(0,this._values.length))};w.registerNodeType("math/average",c);h.values="+-*/%^".split("");h.title="Operation";h.desc="Easy math operators";h["@OP"]={type:"enum",title:"operation",values:h.values};h.prototype.setValue=function(a){"string"==typeof a&&(a=parseFloat(a));this.properties.value=a};h.prototype.onExecute=function(){var a=this.getInputData(0),b=this.getInputData(1);null!=a?this.properties.A=a:a=this.properties.A;
-null!=b?this.properties.B=b:b=this.properties.B;var c=0;switch(this.properties.OP){case "+":c=a+b;break;case "-":c=a-b;break;case "x":case "X":case "*":c=a*b;break;case "/":c=a/b;break;case "%":c=a%b;break;case "^":c=Math.pow(a,b);break;default:console.warn("Unknown operation: "+this.properties.OP)}this.setOutputData(0,c)};h.prototype.onDrawBackground=function(a){this.flags.collapsed||(a.font="40px Arial",a.fillStyle="black",a.textAlign="center",a.fillText(this.properties.OP,0.5*this.size[0],0.5*
-this.size[1]+w.NODE_TITLE_HEIGHT),a.textAlign="left")};w.registerNodeType("math/operation",h);k.title="Compare";k.desc="compares between two values";k.prototype.onExecute=function(){var a=this.getInputData(0),b=this.getInputData(1);void 0!==a?this.properties.A=a:a=this.properties.A;void 0!==b?this.properties.B=b:b=this.properties.B;for(var c=0,d=this.outputs.length;c<d;++c){var e=this.outputs[c];if(e.links&&e.links.length){switch(e.name){case "A==B":value=a==b;break;case "A!=B":value=a!=b;break;case "A>B":value=
-a>b;break;case "A<B":value=a<b;break;case "A<=B":value=a<=b;break;case "A>=B":value=a>=b}this.setOutputData(c,value)}}};k.prototype.onGetOutputs=function(){return[["A==B","boolean"],["A!=B","boolean"],["A>B","boolean"],["A<B","boolean"],["A>=B","boolean"],["A<=B","boolean"]]};w.registerNodeType("math/compare",k);v.values="> < == != <= >=".split(" ");v["@OP"]={type:"enum",title:"operation",values:v.values};v.title="Condition";v.desc="evaluates condition between A and B";v.prototype.onExecute=function(){var a=
-this.getInputData(0);void 0===a?a=this.properties.A:this.properties.A=a;var b=this.getInputData(1);void 0===b?b=this.properties.B:this.properties.B=b;var c=!0;switch(this.properties.OP){case ">":c=a>b;break;case "<":c=a<b;break;case "==":c=a==b;break;case "!=":c=a!=b;break;case "<=":c=a<=b;break;case ">=":c=a>=b}this.setOutputData(0,c)};w.registerNodeType("math/condition",v);s.title="Accumulate";s.desc="Increments a value every time";s.prototype.onExecute=function(){null===this.properties.value&&
-(this.properties.value=0);var a=this.getInputData(0);this.properties.value=null!==a?this.properties.value+a:this.properties.value+this.properties.increment;this.setOutputData(0,this.properties.value)};w.registerNodeType("math/accumulate",s);n.title="Trigonometry";n.desc="Sin Cos Tan";n.filter="shader";n.prototype.onExecute=function(){var a=this.getInputData(0);null==a&&(a=0);var b=this.properties.amplitude,c=this.findInputSlot("amplitude");-1!=c&&(b=this.getInputData(c));var d=this.properties.offset,
+this.setDirtyCanvas(!0,!0);this.change();this.updateExecutionOrder()}};g.prototype.getNodeById=function(a){return null==a?null:this._nodes_by_id[a]};g.prototype.findNodesByClass=function(a){for(var b=[],c=0,h=this._nodes.length;c<h;++c)this._nodes[c].constructor===a&&b.push(this._nodes[c]);return b};g.prototype.findNodesByType=function(a){a=a.toLowerCase();for(var b=[],c=0,h=this._nodes.length;c<h;++c)this._nodes[c].type.toLowerCase()==a&&b.push(this._nodes[c]);return b};g.prototype.findNodesByTitle=
+function(a){for(var b=[],c=0,h=this._nodes.length;c<h;++c)this._nodes[c].title==a&&b.push(this._nodes[c]);return b};g.prototype.getNodeOnPos=function(a,b,c){c=c||this._nodes;for(var h=c.length-1;0<=h;h--){var d=c[h];if(d.isPointInsideNode(a,b,2))return d}return null};g.prototype.addGlobalInput=function(a,b,c){this.global_inputs[a]={name:a,type:b,value:c};if(this.onGlobalInputAdded)this.onGlobalInputAdded(a,b);if(this.onGlobalsChange)this.onGlobalsChange()};g.prototype.setGlobalInputData=function(a,
+b){var c=this.global_inputs[a];c&&(c.value=b)};g.prototype.getGlobalInputData=function(a){return(a=this.global_inputs[a])?a.value:null};g.prototype.renameGlobalInput=function(a,b){if(b!=a){if(!this.global_inputs[a])return!1;if(this.global_inputs[b])return console.error("there is already one input with that name"),!1;this.global_inputs[b]=this.global_inputs[a];delete this.global_inputs[a];if(this.onGlobalInputRenamed)this.onGlobalInputRenamed(a,b);if(this.onGlobalsChange)this.onGlobalsChange()}};g.prototype.changeGlobalInputType=
+function(a,b){if(!this.global_inputs[a])return!1;if(this.global_inputs[a].type.toLowerCase()!=b.toLowerCase()&&(this.global_inputs[a].type=b,this.onGlobalInputTypeChanged))this.onGlobalInputTypeChanged(a,b)};g.prototype.removeGlobalInput=function(a){if(!this.global_inputs[a])return!1;delete this.global_inputs[a];if(this.onGlobalInputRemoved)this.onGlobalInputRemoved(a);if(this.onGlobalsChange)this.onGlobalsChange();return!0};g.prototype.addGlobalOutput=function(a,b,c){this.global_outputs[a]={name:a,
+type:b,value:c};if(this.onGlobalOutputAdded)this.onGlobalOutputAdded(a,b);if(this.onGlobalsChange)this.onGlobalsChange()};g.prototype.setGlobalOutputData=function(a,b){var c=this.global_outputs[a];c&&(c.value=b)};g.prototype.getGlobalOutputData=function(a){return(a=this.global_outputs[a])?a.value:null};g.prototype.renameGlobalOutput=function(a,b){if(!this.global_outputs[a])return!1;if(this.global_outputs[b])return console.error("there is already one output with that name"),!1;this.global_outputs[b]=
+this.global_outputs[a];delete this.global_outputs[a];if(this.onGlobalOutputRenamed)this.onGlobalOutputRenamed(a,b);if(this.onGlobalsChange)this.onGlobalsChange()};g.prototype.changeGlobalOutputType=function(a,b){if(!this.global_outputs[a])return!1;if(this.global_outputs[a].type.toLowerCase()!=b.toLowerCase()&&(this.global_outputs[a].type=b,this.onGlobalOutputTypeChanged))this.onGlobalOutputTypeChanged(a,b)};g.prototype.removeGlobalOutput=function(a){if(!this.global_outputs[a])return!1;delete this.global_outputs[a];
+if(this.onGlobalOutputRemoved)this.onGlobalOutputRemoved(a);if(this.onGlobalsChange)this.onGlobalsChange();return!0};g.prototype.setInputData=function(a,b){for(var c=this.findNodesByName(a),h=0,d=c.length;h<d;++h)c[h].setValue(b)};g.prototype.getOutputData=function(a){return this.findNodesByName(a).length?m[0].getValue():null};g.prototype.triggerInput=function(a,b){for(var c=this.findNodesByName(a),h=0;h<c.length;++h)c[h].onTrigger(b)};g.prototype.setCallback=function(a,b){for(var c=this.findNodesByName(a),
+h=0;h<c.length;++h)c[h].setTrigger(b)};g.prototype.connectionChange=function(a){this.updateExecutionOrder();if(this.onConnectionChange)this.onConnectionChange(a);this.sendActionToCanvas("onConnectionChange")};g.prototype.isLive=function(){if(!this.list_of_graphcanvas)return!1;for(var a=0;a<this.list_of_graphcanvas.length;++a)if(this.list_of_graphcanvas[a].live_mode)return!0;return!1};g.prototype.change=function(){d.debug&&console.log("Graph changed");this.sendActionToCanvas("setDirty",[!0,!0]);if(this.on_change)this.on_change(this)};
+g.prototype.setDirtyCanvas=function(a,b){this.sendActionToCanvas("setDirty",[a,b])};g.prototype.serialize=function(){for(var a=[],b=0,c=this._nodes.length;b<c;++b)a.push(this._nodes[b].serialize());c=[];for(b in this.links){var h=this.links[b];c.push([h.id,h.origin_id,h.origin_slot,h.target_id,h.target_slot,h.type])}return{iteration:this.iteration,frame:this.frame,last_node_id:this.last_node_id,last_link_id:this.last_link_id,links:c,config:this.config,nodes:a}};g.prototype.configure=function(a,b){b||
+this.clear();var c=a.nodes;if(a.links&&a.links.constructor===Array){for(var h={},k=0;k<a.links.length;++k){var e=a.links[k];h[e[0]]={id:e[0],origin_id:e[1],origin_slot:e[2],target_id:e[3],target_slot:e[4],type:e[5]}}a.links=h}for(k in a)this[k]=a[k];h=!1;this._nodes=[];k=0;for(e=c.length;k<e;++k){var n=c[k],l=d.createNode(n.type,n.title);l?(l.id=n.id,this.add(l,!0)):(d.debug&&console.log("Node not found: "+n.type),h=!0)}k=0;for(e=c.length;k<e;++k)n=c[k],(l=this.getNodeById(n.id))&&l.configure(n);
+this.updateExecutionOrder();this.setDirtyCanvas(!0,!0);return h};g.prototype.load=function(a){var b=this,c=new XMLHttpRequest;c.open("GET",a,!0);c.send(null);c.onload=function(a){200!==c.status?console.error("Error loading graph:",c.status,c.response):(a=JSON.parse(c.response),b.configure(a))};c.onerror=function(a){console.error("Error loading graph:",a)}};g.prototype.onNodeTrace=function(a,b,c){};q.LGraphNode=d.LGraphNode=f;f.prototype._ctor=function(a){this.title=a||"Unnamed";this.size=[d.NODE_WIDTH,
+60];this.graph=null;this._pos=new Float32Array(10,10);Object.defineProperty(this,"pos",{set:function(a){!a||2>!a.length||(this._pos[0]=a[0],this._pos[1]=a[1])},get:function(){return this._pos},enumerable:!0});this.id=-1;this.type=null;this.inputs=[];this.outputs=[];this.connections=[];this.properties={};this.properties_info=[];this.data=null;this.flags={}};f.prototype.configure=function(a){for(var b in a)if("console"!=b)if("properties"==b)for(var c in a.properties){if(this.properties[c]=a.properties[c],
+this.onPropertyChanged)this.onPropertyChanged(c,a.properties[c])}else null!=a[b]&&("object"==typeof a[b]?this[b]&&this[b].configure?this[b].configure(a[b]):this[b]=d.cloneObject(a[b],this[b]):this[b]=a[b]);if(this.onConnectionsChange){if(this.inputs)for(var h=0;h<this.inputs.length;++h){c=this.inputs[h];var k=this.graph.links[c.link];this.onConnectionsChange(d.INPUT,h,!0,k,c)}if(this.outputs)for(h=0;h<this.outputs.length;++h)if(c=this.outputs[h],c.links)for(b=0;b<c.links.length;++b)k=this.graph.links[c.links[b]],
+this.onConnectionsChange(d.OUTPUT,h,!0,k,c)}for(h in this.inputs)c=this.inputs[h],c.link&&c.link.length&&(k=c.link,"object"==typeof k&&(c.link=k[0],this.graph.links[k[0]]={id:k[0],origin_id:k[1],origin_slot:k[2],target_id:k[3],target_slot:k[4]}));for(h in this.outputs)if(c=this.outputs[h],c.links&&0!=c.links.length)for(b in c.links)k=c.links[b],"object"==typeof k&&(c.links[b]=k[0]);if(this.onConfigure)this.onConfigure(a)};f.prototype.serialize=function(){if(this.outputs)for(var a=0;a<this.outputs.length;a++)delete this.outputs[a]._data;
+a={id:this.id,title:this.title,type:this.type,pos:this.pos,size:this.size,data:this.data,flags:d.cloneObject(this.flags),inputs:this.inputs,outputs:this.outputs,mode:this.mode};this.properties&&(a.properties=d.cloneObject(this.properties));a.type||(a.type=this.constructor.type);this.color&&(a.color=this.color);this.bgcolor&&(a.bgcolor=this.bgcolor);this.boxcolor&&(a.boxcolor=this.boxcolor);this.shape&&(a.shape=this.shape);if(this.onSerialize)this.onSerialize(a);return a};f.prototype.clone=function(){var a=
+d.createNode(this.type),b=d.cloneObject(this.serialize());if(b.inputs)for(var c=0;c<b.inputs.length;++c)b.inputs[c].link=null;if(b.outputs)for(c=0;c<b.outputs.length;++c)b.outputs[c].links&&(b.outputs[c].links.length=0);delete b.id;a.configure(b);return a};f.prototype.toString=function(){return JSON.stringify(this.serialize())};f.prototype.getTitle=function(){return this.title||this.constructor.title};f.prototype.setOutputData=function(a,b){if(this.outputs&&!(-1==a||a>=this.outputs.length)){var c=
+this.outputs[a];if(c&&(c._data=b,this.outputs[a].links))for(c=0;c<this.outputs[a].links.length;c++)this.graph.links[this.outputs[a].links[c]].data=b}};f.prototype.getInputData=function(a,b){if(this.inputs&&!(a>=this.inputs.length||null==this.inputs[a].link)){var c=this.graph.links[this.inputs[a].link];if(!c)return null;if(!b)return c.data;var h=this.graph.getNodeById(c.origin_id);if(!h)return c.data;if(h.updateOutputData)h.updateOutputData(c.origin_slot);else if(h.onExecute)h.onExecute();return c.data}};
+f.prototype.isInputConnected=function(a){return this.inputs?a<this.inputs.length&&null!=this.inputs[a].link:!1};f.prototype.getInputInfo=function(a){return this.inputs?a<this.inputs.length?this.inputs[a]:null:null};f.prototype.getInputNode=function(a){if(!this.inputs||a>=this.inputs.length)return null;a=this.inputs[a];return a&&a.link?(a=this.graph.links[a.link])?this.graph.getNodeById(a.origin_id):null:null};f.prototype.getOutputData=function(a){return!this.outputs||a>=this.outputs.length?null:this.outputs[a]._data};
+f.prototype.getOutputInfo=function(a){return this.outputs?a<this.outputs.length?this.outputs[a]:null:null};f.prototype.isOutputConnected=function(a){return this.outputs?a<this.outputs.length&&this.outputs[a].links&&this.outputs[a].links.length:null};f.prototype.getOutputNodes=function(a){if(!this.outputs||0==this.outputs.length||a>=this.outputs.length)return null;a=this.outputs[a];if(!a.links||0==a.links.length)return null;for(var b=[],c=0;c<a.links.length;c++){var h=this.graph.links[a.links[c]];
+h&&(h=this.graph.getNodeById(h.target_id))&&b.push(h)}return b};f.prototype.trigger=function(a,b){if(this.outputs&&this.outputs.length){this.graph&&(this.graph._last_trigger_time=d.getTime());for(var c=0;c<this.outputs.length;++c){var h=this.outputs[c];!h||h.type!==d.EVENT||a&&h.name!=a||this.triggerSlot(c,b)}}};f.prototype.triggerSlot=function(a,b){if(this.outputs){var c=this.outputs[a];if(c&&(c=c.links)&&c.length){this.graph&&(this.graph._last_trigger_time=d.getTime());for(var h=0;h<c.length;++h){var k=
+this.graph.links[c[h]];if(k){var e=this.graph.getNodeById(k.target_id);if(e)if(k._last_time=d.getTime(),k=e.inputs[k.target_slot],e.onAction)e.onAction(k.name,b);else if(e.mode===d.ON_TRIGGER&&e.onExecute)e.onExecute(b)}}}}};f.prototype.addProperty=function(a,b,c,h){c={name:a,type:c,default_value:b};if(h)for(var d in h)c[d]=h[d];this.properties_info||(this.properties_info=[]);this.properties_info.push(c);this.properties||(this.properties={});this.properties[a]=b;return c};f.prototype.addOutput=function(a,
+b,c){a={name:a,type:b,links:null};if(c)for(var h in c)a[h]=c[h];this.outputs||(this.outputs=[]);this.outputs.push(a);if(this.onOutputAdded)this.onOutputAdded(a);this.size=this.computeSize();return a};f.prototype.addOutputs=function(a){for(var b=0;b<a.length;++b){var c=a[b],h={name:c[0],type:c[1],link:null};if(a[2])for(var d in c[2])h[d]=c[2][d];this.outputs||(this.outputs=[]);this.outputs.push(h);if(this.onOutputAdded)this.onOutputAdded(h)}this.size=this.computeSize()};f.prototype.removeOutput=function(a){this.disconnectOutput(a);
+this.outputs.splice(a,1);this.size=this.computeSize();if(this.onOutputRemoved)this.onOutputRemoved(a)};f.prototype.addInput=function(a,b,c){a={name:a,type:b||0,link:null};if(c)for(var h in c)a[h]=c[h];this.inputs||(this.inputs=[]);this.inputs.push(a);this.size=this.computeSize();if(this.onInputAdded)this.onInputAdded(a);return a};f.prototype.addInputs=function(a){for(var b=0;b<a.length;++b){var c=a[b],h={name:c[0],type:c[1],link:null};if(a[2])for(var d in c[2])h[d]=c[2][d];this.inputs||(this.inputs=
+[]);this.inputs.push(h);if(this.onInputAdded)this.onInputAdded(h)}this.size=this.computeSize()};f.prototype.removeInput=function(a){this.disconnectInput(a);this.inputs.splice(a,1);this.size=this.computeSize();if(this.onInputRemoved)this.onInputRemoved(a)};f.prototype.addConnection=function(a,b,c,h){a={name:a,type:b,pos:c,direction:h,links:null};this.connections.push(a);return a};f.prototype.computeSize=function(a,b){function c(a){return a?e*a.length*0.6:0}var h=Math.max(this.inputs?this.inputs.length:
+1,this.outputs?this.outputs.length:1),k=b||new Float32Array([0,0]),h=Math.max(h,1);k[1]=14*h+6;var e=14,h=c(this.title),n=0,l=0;if(this.inputs)for(var f=0,g=this.inputs.length;f<g;++f){var w=this.inputs[f],w=w.label||w.name||"",w=c(w);n<w&&(n=w)}if(this.outputs)for(f=0,g=this.outputs.length;f<g;++f)w=this.outputs[f],w=w.label||w.name||"",w=c(w),l<w&&(l=w);k[0]=Math.max(n+l+10,h);k[0]=Math.max(k[0],d.NODE_WIDTH);return k};f.prototype.getBounding=function(a){a=a||new Float32Array(4);a[0]=this.pos[0]-
+4;a[1]=this.pos[1]-d.NODE_TITLE_HEIGHT;a[2]=this.size[0]+4;a[3]=this.size[1]+d.NODE_TITLE_HEIGHT;return a};f.prototype.isPointInsideNode=function(a,b,c){c=c||0;var h=this.graph&&this.graph.isLive()?0:20;if(this.flags.collapsed){if(p(a,b,this.pos[0]-c,this.pos[1]-d.NODE_TITLE_HEIGHT-c,d.NODE_COLLAPSED_WIDTH+2*c,d.NODE_TITLE_HEIGHT+2*c))return!0}else if(this.pos[0]-4-c<a&&this.pos[0]+this.size[0]+4+c>a&&this.pos[1]-h-c<b&&this.pos[1]+this.size[1]+c>b)return!0;return!1};f.prototype.getSlotInPosition=
+function(a,b){if(this.inputs)for(var c=0,h=this.inputs.length;c<h;++c){var d=this.inputs[c],e=this.getConnectionPos(!0,c);if(p(a,b,e[0]-10,e[1]-5,20,10))return{input:d,slot:c,link_pos:e,locked:d.locked}}if(this.outputs)for(c=0,h=this.outputs.length;c<h;++c)if(d=this.outputs[c],e=this.getConnectionPos(!1,c),p(a,b,e[0]-10,e[1]-5,20,10))return{output:d,slot:c,link_pos:e,locked:d.locked};return null};f.prototype.findInputSlot=function(a){if(!this.inputs)return-1;for(var b=0,c=this.inputs.length;b<c;++b)if(a==
+this.inputs[b].name)return b;return-1};f.prototype.findOutputSlot=function(a){if(!this.outputs)return-1;for(var b=0,c=this.outputs.length;b<c;++b)if(a==this.outputs[b].name)return b;return-1};f.prototype.connect=function(a,b,c){c=c||0;if(a.constructor===String){if(a=this.findOutputSlot(a),-1==a)return d.debug&&console.log("Connect: Error, no slot of name "+a),!1}else if(!this.outputs||a>=this.outputs.length)return d.debug&&console.log("Connect: Error, slot number not found"),!1;b&&b.constructor===
+Number&&(b=this.graph.getNodeById(b));if(!b)throw"Node not found";if(b==this)return!1;if(c.constructor===String){if(c=b.findInputSlot(c),-1==c)return d.debug&&console.log("Connect: Error, no slot of name "+c),!1}else{if(c===d.EVENT)return!1;if(!b.inputs||c>=b.inputs.length)return d.debug&&console.log("Connect: Error, slot number not found"),!1}null!=b.inputs[c].link&&b.disconnectInput(c);this.setDirtyCanvas(!1,!0);this.graph.connectionChange(this);var h=this.outputs[a];if(b.onConnectInput&&!1===b.onConnectInput(c,
+h.type,h))return!1;var k=b.inputs[c];if(d.isValidConnection(h.type,k.type)){var e={id:this.graph.last_link_id++,type:k.type,origin_id:this.id,origin_slot:a,target_id:b.id,target_slot:c};this.graph.links[e.id]=e;null==h.links&&(h.links=[]);h.links.push(e.id);b.inputs[c].link=e.id;if(this.onConnectionsChange)this.onConnectionsChange(d.OUTPUT,a,!0,e,h);if(b.onConnectionsChange)b.onConnectionsChange(d.INPUT,c,!0,e,k)}this.setDirtyCanvas(!1,!0);this.graph.connectionChange(this);return!0};f.prototype.disconnectOutput=
+function(a,b){if(a.constructor===String){if(a=this.findOutputSlot(a),-1==a)return d.debug&&console.log("Connect: Error, no slot of name "+a),!1}else if(!this.outputs||a>=this.outputs.length)return d.debug&&console.log("Connect: Error, slot number not found"),!1;var c=this.outputs[a];if(!c.links||0==c.links.length)return!1;if(b){b.constructor===Number&&(b=this.graph.getNodeById(b));if(!b)throw"Target Node not found";for(var h=0,k=c.links.length;h<k;h++){var e=c.links[h],n=this.graph.links[e];if(n.target_id==
+b.id){c.links.splice(h,1);var l=b.inputs[n.target_slot];l.link=null;delete this.graph.links[e];if(b.onConnectionsChange)b.onConnectionsChange(d.INPUT,n.target_slot,!1,n,l);if(this.onConnectionsChange)this.onConnectionsChange(d.OUTPUT,a,!1,n,c);break}}}else{h=0;for(k=c.links.length;h<k;h++)if(e=c.links[h],n=this.graph.links[e]){if(b=this.graph.getNodeById(n.target_id))if(l=b.inputs[n.target_slot],l.link=null,b.onConnectionsChange)b.onConnectionsChange(d.INPUT,n.target_slot,!1,n,l);delete this.graph.links[e];
+if(this.onConnectionsChange)this.onConnectionsChange(d.OUTPUT,a,!1,n,c)}c.links=null}this.setDirtyCanvas(!1,!0);this.graph.connectionChange(this);return!0};f.prototype.disconnectInput=function(a){if(a.constructor===String){if(a=this.findInputSlot(a),-1==a)return d.debug&&console.log("Connect: Error, no slot of name "+a),!1}else if(!this.inputs||a>=this.inputs.length)return d.debug&&console.log("Connect: Error, slot number not found"),!1;var b=this.inputs[a];if(!b)return!1;var c=this.inputs[a].link;
+this.inputs[a].link=null;var h=this.graph.links[c];if(h){var k=this.graph.getNodeById(h.origin_id);if(!k)return!1;var e=k.outputs[h.origin_slot];if(!e||!e.links||0==e.links.length)return!1;for(var n=0,l=e.links.length;n<l;n++)if(e.links[n]==c){e.links.splice(n,1);break}delete this.graph.links[c];if(this.onConnectionsChange)this.onConnectionsChange(d.INPUT,a,!1,h,b);if(k.onConnectionsChange)k.onConnectionsChange(d.OUTPUT,n,!1,h,e)}this.setDirtyCanvas(!1,!0);this.graph.connectionChange(this);return!0};
+f.prototype.getConnectionPos=function(a,b){return this.flags.collapsed?a?[this.pos[0],this.pos[1]-0.5*d.NODE_TITLE_HEIGHT]:[this.pos[0]+d.NODE_COLLAPSED_WIDTH,this.pos[1]-0.5*d.NODE_TITLE_HEIGHT]:a&&-1==b?[this.pos[0]+10,this.pos[1]+10]:a&&this.inputs.length>b&&this.inputs[b].pos?[this.pos[0]+this.inputs[b].pos[0],this.pos[1]+this.inputs[b].pos[1]]:!a&&this.outputs.length>b&&this.outputs[b].pos?[this.pos[0]+this.outputs[b].pos[0],this.pos[1]+this.outputs[b].pos[1]]:a?[this.pos[0],this.pos[1]+10+b*
+d.NODE_SLOT_HEIGHT]:[this.pos[0]+this.size[0]+1,this.pos[1]+10+b*d.NODE_SLOT_HEIGHT]};f.prototype.alignToGrid=function(){this.pos[0]=d.CANVAS_GRID_SIZE*Math.round(this.pos[0]/d.CANVAS_GRID_SIZE);this.pos[1]=d.CANVAS_GRID_SIZE*Math.round(this.pos[1]/d.CANVAS_GRID_SIZE)};f.prototype.trace=function(a){this.console||(this.console=[]);this.console.push(a);this.console.length>f.MAX_CONSOLE&&this.console.shift();this.graph.onNodeTrace(this,a)};f.prototype.setDirtyCanvas=function(a,b){this.graph&&this.graph.sendActionToCanvas("setDirty",
+[a,b])};f.prototype.loadImage=function(a){var b=new Image;b.src=d.node_images_path+a;b.ready=!1;var c=this;b.onload=function(){this.ready=!0;c.setDirtyCanvas(!0)};return b};f.prototype.captureInput=function(a){if(this.graph&&this.graph.list_of_graphcanvas)for(var b=this.graph.list_of_graphcanvas,c=0;c<b.length;++c){var h=b[c];if(a||h.node_capturing_input==this)h.node_capturing_input=a?this:null}};f.prototype.collapse=function(){this.flags.collapsed=this.flags.collapsed?!1:!0;this.setDirtyCanvas(!0,
+!0)};f.prototype.pin=function(a){this.flags.pinned=void 0===a?!this.flags.pinned:a};f.prototype.localToScreen=function(a,b,c){return[(a+this.pos[0])*c.scale+c.offset[0],(b+this.pos[1])*c.scale+c.offset[1]]};q.LGraphCanvas=d.LGraphCanvas=e;e.link_type_colors={"-1":"#F85",number:"#AAC",node:"#DCA"};e.prototype.clear=function(){this.fps=this.render_time=this.last_draw_time=this.frame=0;this.scale=1;this.offset=[0,0];this.dragging_rectangle=null;this.selected_nodes={};this.visible_nodes=[];this.connecting_node=
+this.node_capturing_input=this.node_over=this.node_dragged=null;this.highlighted_links={};this.dirty_bgcanvas=this.dirty_canvas=!0;this.node_in_panel=this.dirty_area=null;this.last_mouse=[0,0];this.last_mouseclick=0;if(this.onClear)this.onClear()};e.prototype.setGraph=function(a,b){this.graph!=a&&(b||this.clear(),!a&&this.graph?this.graph.detachCanvas(this):(a.attachCanvas(this),this.setDirty(!0,!0)))};e.prototype.openSubgraph=function(a){if(!a)throw"graph cannot be null";if(this.graph==a)throw"graph cannot be the same";
+this.clear();this.graph&&(this._graph_stack||(this._graph_stack=[]),this._graph_stack.push(this.graph));a.attachCanvas(this);this.setDirty(!0,!0)};e.prototype.closeSubgraph=function(){if(this._graph_stack&&0!=this._graph_stack.length){var a=this._graph_stack.pop();this.selected_nodes={};this.highlighted_links={};a.attachCanvas(this);this.setDirty(!0,!0)}};e.prototype.setCanvas=function(a,b){if(a&&a.constructor===String&&(a=document.getElementById(a),!a))throw"Error creating LiteGraph canvas: Canvas not found";
+if(a!==this.canvas&&(!a&&this.canvas&&(b||this.unbindEvents()),this.canvas=a)){a.className+=" lgraphcanvas";a.data=this;this.bgcanvas=null;this.bgcanvas||(this.bgcanvas=document.createElement("canvas"),this.bgcanvas.width=this.canvas.width,this.bgcanvas.height=this.canvas.height);if(null==a.getContext){if("canvas"!=a.localName)throw"Element supplied for LGraphCanvas must be a <canvas> element, you passed a "+a.localName;throw"This browser doesnt support Canvas";}null==(this.ctx=a.getContext("2d"))&&
+(console.warn("This canvas seems to be WebGL, enabling WebGL renderer"),this.enableWebGL());this._mousemove_callback=this.processMouseMove.bind(this);this._mouseup_callback=this.processMouseUp.bind(this);b||this.bindEvents()}};e.prototype._doNothing=function(a){a.preventDefault();return!1};e.prototype._doReturnTrue=function(a){a.preventDefault();return!0};e.prototype.bindEvents=function(){if(this._events_binded)console.warn("LGraphCanvas: events already binded");else{var a=this.canvas,b=this.getCanvasWindow().document;
+this._mousedown_callback=this.processMouseDown.bind(this);this._mousewheel_callback=this.processMouseWheel.bind(this);a.addEventListener("mousedown",this._mousedown_callback,!0);a.addEventListener("mousemove",this._mousemove_callback);a.addEventListener("mousewheel",this._mousewheel_callback,!1);a.addEventListener("contextmenu",this._doNothing);a.addEventListener("DOMMouseScroll",this._mousewheel_callback,!1);a.addEventListener("touchstart",this.touchHandler,!0);a.addEventListener("touchmove",this.touchHandler,
+!0);a.addEventListener("touchend",this.touchHandler,!0);a.addEventListener("touchcancel",this.touchHandler,!0);this._key_callback=this.processKey.bind(this);a.addEventListener("keydown",this._key_callback,!0);b.addEventListener("keyup",this._key_callback,!0);this._ondrop_callback=this.processDrop.bind(this);a.addEventListener("dragover",this._doNothing,!1);a.addEventListener("dragend",this._doNothing,!1);a.addEventListener("drop",this._ondrop_callback,!1);a.addEventListener("dragenter",this._doReturnTrue,
+!1);this._events_binded=!0}};e.prototype.unbindEvents=function(){if(this._events_binded){var a=this.getCanvasWindow().document;this.canvas.removeEventListener("mousedown",this._mousedown_callback);this.canvas.removeEventListener("mousewheel",this._mousewheel_callback);this.canvas.removeEventListener("DOMMouseScroll",this._mousewheel_callback);this.canvas.removeEventListener("keydown",this._key_callback);a.removeEventListener("keyup",this._key_callback);this.canvas.removeEventListener("contextmenu",
+this._doNothing);this.canvas.removeEventListener("drop",this._ondrop_callback);this.canvas.removeEventListener("dragenter",this._doReturnTrue);this.canvas.removeEventListener("touchstart",this.touchHandler);this.canvas.removeEventListener("touchmove",this.touchHandler);this.canvas.removeEventListener("touchend",this.touchHandler);this.canvas.removeEventListener("touchcancel",this.touchHandler);this._ondrop_callback=this._key_callback=this._mousewheel_callback=this._mousedown_callback=null;this._events_binded=
+!1}else console.warn("LGraphCanvas: no events binded")};e.getFileExtension=function(a){var b=a.indexOf("?");-1!=b&&(a=a.substr(0,b));b=a.lastIndexOf(".");return-1==b?"":a.substr(b+1).toLowerCase()};e.prototype.enableWebGL=function(){if(void 0===typeof GL)throw"litegl.js must be included to use a WebGL canvas";if(void 0===typeof enableWebGLCanvas)throw"webglCanvas.js must be included to use this feature";this.gl=this.ctx=enableWebGLCanvas(this.canvas);this.ctx.webgl=!0;this.bgcanvas=this.canvas;this.bgctx=
+this.gl};e.prototype.setDirty=function(a,b){a&&(this.dirty_canvas=!0);b&&(this.dirty_bgcanvas=!0)};e.prototype.getCanvasWindow=function(){if(!this.canvas)return window;var a=this.canvas.ownerDocument;return a.defaultView||a.parentWindow};e.prototype.startRendering=function(){function a(){this.pause_rendering||this.draw();var b=this.getCanvasWindow();this.is_rendering&&b.requestAnimationFrame(a.bind(this))}this.is_rendering||(this.is_rendering=!0,a.call(this))};e.prototype.stopRendering=function(){this.is_rendering=
+!1};e.prototype.processMouseDown=function(a){if(this.graph){this.adjustMouseEvent(a);var b=this.getCanvasWindow();e.active_canvas=this;this.canvas.removeEventListener("mousemove",this._mousemove_callback);b.document.addEventListener("mousemove",this._mousemove_callback,!0);b.document.addEventListener("mouseup",this._mouseup_callback,!0);var c=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes),h=!1;d.closeAllContextMenus(b);if(1==a.which){a.ctrlKey&&(this.dragging_rectangle=new Float32Array(4),
+this.dragging_rectangle[0]=a.canvasX,this.dragging_rectangle[1]=a.canvasY,this.dragging_rectangle[2]=1,this.dragging_rectangle[3]=1,h=!0);var k=!1;if(c&&this.allow_interaction&&!h){this.live_mode||c.flags.pinned||this.bringToFront(c);if(!this.connecting_node&&!c.flags.collapsed&&!this.live_mode){if(c.outputs)for(var l=0,n=c.outputs.length;l<n;++l){var f=c.outputs[l],g=c.getConnectionPos(!1,l);if(p(a.canvasX,a.canvasY,g[0]-10,g[1]-5,20,10)){this.connecting_node=c;this.connecting_output=f;this.connecting_pos=
+c.getConnectionPos(!1,l);this.connecting_slot=l;h=!0;break}}if(c.inputs)for(l=0,n=c.inputs.length;l<n;++l)f=c.inputs[l],g=c.getConnectionPos(!0,l),p(a.canvasX,a.canvasY,g[0]-10,g[1]-5,20,10)&&null!==f.link&&(c.disconnectInput(l),h=this.dirty_bgcanvas=!0);!h&&p(a.canvasX,a.canvasY,c.pos[0]+c.size[0]-5,c.pos[1]+c.size[1]-5,5,5)&&(this.resizing_node=c,this.canvas.style.cursor="se-resize",h=!0)}!h&&p(a.canvasX,a.canvasY,c.pos[0],c.pos[1]-d.NODE_TITLE_HEIGHT,d.NODE_TITLE_HEIGHT,d.NODE_TITLE_HEIGHT)&&(c.collapse(),
+h=!0);if(!h){l=!1;if(300>d.getTime()-this.last_mouseclick&&this.selected_nodes[c.id]){if(c.onDblClick)c.onDblClick(a);this.processNodeDblClicked(c);l=!0}c.onMouseDown&&c.onMouseDown(a,[a.canvasX-c.pos[0],a.canvasY-c.pos[1]])?l=!0:this.live_mode&&(l=k=!0);l||(this.allow_dragnodes&&(this.node_dragged=c),this.selected_nodes[c.id]||this.processNodeSelected(c,a));this.dirty_canvas=!0}}else k=!0;!h&&k&&this.allow_dragcanvas&&(this.dragging_canvas=!0)}else 2!=a.which&&3==a.which&&this.processContextMenu(c,
+a);this.last_mouse[0]=a.localX;this.last_mouse[1]=a.localY;this.last_mouseclick=d.getTime();this.canvas_mouse=[a.canvasX,a.canvasY];this.graph.change();(!b.document.activeElement||"input"!=b.document.activeElement.nodeName.toLowerCase()&&"textarea"!=b.document.activeElement.nodeName.toLowerCase())&&a.preventDefault();a.stopPropagation();if(this.onMouseDown)this.onMouseDown(a);return!1}};e.prototype.processMouseMove=function(a){this.autoresize&&this.resize();if(this.graph){e.active_canvas=this;this.adjustMouseEvent(a);
+var b=[a.localX,a.localY],c=[b[0]-this.last_mouse[0],b[1]-this.last_mouse[1]];this.last_mouse=b;this.canvas_mouse=[a.canvasX,a.canvasY];if(this.dragging_rectangle)this.dragging_rectangle[2]=a.canvasX-this.dragging_rectangle[0],this.dragging_rectangle[3]=a.canvasY-this.dragging_rectangle[1],this.dirty_canvas=!0;else if(this.dragging_canvas)this.offset[0]+=c[0]/this.scale,this.offset[1]+=c[1]/this.scale,this.dirty_bgcanvas=this.dirty_canvas=!0;else if(this.allow_interaction){this.connecting_node&&(this.dirty_canvas=
+!0);for(var b=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes),h=0,k=this.graph._nodes.length;h<k;++h)if(this.graph._nodes[h].mouseOver&&b!=this.graph._nodes[h]){this.graph._nodes[h].mouseOver=!1;if(this.node_over&&this.node_over.onMouseLeave)this.node_over.onMouseLeave(a);this.node_over=null;this.dirty_canvas=!0}if(b){if(!b.mouseOver&&(b.mouseOver=!0,this.node_over=b,this.dirty_canvas=!0,b.onMouseEnter))b.onMouseEnter(a);if(b.onMouseMove)b.onMouseMove(a);if(this.connecting_node&&(k=
+this._highlight_input||[0,0],!this.isOverNodeBox(b,a.canvasX,a.canvasY))){var l=this.isOverNodeInput(b,a.canvasX,a.canvasY,k);-1!=l&&b.inputs[l]?d.isValidConnection(this.connecting_output.type,b.inputs[l].type)&&(this._highlight_input=k):this._highlight_input=null}p(a.canvasX,a.canvasY,b.pos[0]+b.size[0]-5,b.pos[1]+b.size[1]-5,5,5)?this.canvas.style.cursor="se-resize":this.canvas.style.cursor=null}else this.canvas.style.cursor=null;if(this.node_capturing_input&&this.node_capturing_input!=b&&this.node_capturing_input.onMouseMove)this.node_capturing_input.onMouseMove(a);
+if(this.node_dragged&&!this.live_mode){for(h in this.selected_nodes)b=this.selected_nodes[h],b.pos[0]+=c[0]/this.scale,b.pos[1]+=c[1]/this.scale;this.dirty_bgcanvas=this.dirty_canvas=!0}this.resizing_node&&!this.live_mode&&(this.resizing_node.size[0]+=c[0]/this.scale,this.resizing_node.size[1]+=c[1]/this.scale,c=Math.max(this.resizing_node.inputs?this.resizing_node.inputs.length:0,this.resizing_node.outputs?this.resizing_node.outputs.length:0),this.resizing_node.size[1]<c*d.NODE_SLOT_HEIGHT+4&&(this.resizing_node.size[1]=
+c*d.NODE_SLOT_HEIGHT+4),this.resizing_node.size[0]<d.NODE_MIN_WIDTH&&(this.resizing_node.size[0]=d.NODE_MIN_WIDTH),this.canvas.style.cursor="se-resize",this.dirty_bgcanvas=this.dirty_canvas=!0)}a.preventDefault();return!1}};e.prototype.processMouseUp=function(a){if(this.graph){var b=this.getCanvasWindow().document;e.active_canvas=this;b.removeEventListener("mousemove",this._mousemove_callback,!0);this.canvas.addEventListener("mousemove",this._mousemove_callback,!0);b.removeEventListener("mouseup",
+this._mouseup_callback,!0);this.adjustMouseEvent(a);if(1==a.which)if(this.dragging_rectangle){if(this.graph){var c=this.graph._nodes,h=new Float32Array(4);this.deselectAllNodes();0>this.dragging_rectangle[2]&&(this.dragging_rectangle[0]+=this.dragging_rectangle[2]);0>this.dragging_rectangle[3]&&(this.dragging_rectangle[1]+=this.dragging_rectangle[3]);this.dragging_rectangle[2]=Math.abs(this.dragging_rectangle[2]*this.scale);this.dragging_rectangle[3]=Math.abs(this.dragging_rectangle[3]*this.scale);
+for(var k=0;k<c.length;++k)b=c[k],b.getBounding(h),u(this.dragging_rectangle,h)&&this.selectNode(b,!0)}this.dragging_rectangle=null}else if(this.connecting_node){this.dirty_bgcanvas=this.dirty_canvas=!0;if(b=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes))this.connecting_output.type==d.EVENT&&this.isOverNodeBox(b,a.canvasX,a.canvasY)?this.connecting_node.connect(this.connecting_slot,b,d.EVENT):(c=this.isOverNodeInput(b,a.canvasX,a.canvasY),-1!=c?this.connecting_node.connect(this.connecting_slot,
+b,c):(c=b.getInputInfo(0),this.connecting_output.type==d.EVENT?this.connecting_node.connect(this.connecting_slot,b,d.EVENT):c&&!c.link&&d.isValidConnection(c.type&&this.connecting_output.type)&&this.connecting_node.connect(this.connecting_slot,b,0)));this.connecting_node=this.connecting_pos=this.connecting_output=null;this.connecting_slot=-1}else if(this.resizing_node)this.dirty_bgcanvas=this.dirty_canvas=!0,this.resizing_node=null;else if(this.node_dragged)this.dirty_bgcanvas=this.dirty_canvas=!0,
+this.node_dragged.pos[0]=Math.round(this.node_dragged.pos[0]),this.node_dragged.pos[1]=Math.round(this.node_dragged.pos[1]),this.graph.config.align_to_grid&&this.node_dragged.alignToGrid(),this.node_dragged=null;else{b=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes);c=d.getTime();!b&&300>c-this.last_mouseclick&&this.deselectAllNodes();this.dirty_canvas=!0;this.dragging_canvas=!1;if(this.node_over&&this.node_over.onMouseUp)this.node_over.onMouseUp(a,[a.canvasX-this.node_over.pos[0],
+a.canvasY-this.node_over.pos[1]]);if(this.node_capturing_input&&this.node_capturing_input.onMouseUp)this.node_capturing_input.onMouseUp(a,[a.canvasX-this.node_capturing_input.pos[0],a.canvasY-this.node_capturing_input.pos[1]])}else 2==a.which?(this.dirty_canvas=!0,this.dragging_canvas=!1):3==a.which&&(this.dirty_canvas=!0,this.dragging_canvas=!1);this.graph.change();a.stopPropagation();a.preventDefault();return!1}};e.prototype.processMouseWheel=function(a){if(this.graph&&this.allow_dragcanvas){var b=
+null!=a.wheelDeltaY?a.wheelDeltaY:-60*a.detail;this.adjustMouseEvent(a);var c=this.scale;0<b?c*=1.1:0>b&&(c*=1/1.1);this.setZoom(c,[a.localX,a.localY]);this.graph.change();a.preventDefault();return!1}};e.prototype.isOverNodeBox=function(a,b,c){var h=d.NODE_TITLE_HEIGHT;return p(b,c,a.pos[0]+2,a.pos[1]+2-h,h-4,h-4)?!0:!1};e.prototype.isOverNodeInput=function(a,b,c,h){if(a.inputs)for(var d=0,e=a.inputs.length;d<e;++d){var n=a.getConnectionPos(!0,d);if(p(b,c,n[0]-10,n[1]-5,20,10))return h&&(h[0]=n[0],
+h[1]=n[1]),d}return-1};e.prototype.processKey=function(a){if(this.graph){var b=!1;if("input"!=a.target.localName){if("keydown"==a.type){32==a.keyCode&&(b=this.dragging_canvas=!0);65==a.keyCode&&a.ctrlKey&&(this.selectNodes(),b=!0);"KeyC"==a.code&&(a.metaKey||a.ctrlKey)&&!a.shiftKey&&this.selected_nodes&&(this.copyToClipboard(),b=!0);"KeyV"!=a.code||!a.metaKey&&!a.ctrlKey||a.shiftKey||this.pasteFromClipboard();if(46==a.keyCode||8==a.keyCode)this.deleteSelectedNodes(),b=!0;if(this.selected_nodes)for(var c in this.selected_nodes)if(this.selected_nodes[c].onKeyDown)this.selected_nodes[c].onKeyDown(a)}else if("keyup"==
+a.type&&(32==a.keyCode&&(this.dragging_canvas=!1),this.selected_nodes))for(c in this.selected_nodes)if(this.selected_nodes[c].onKeyUp)this.selected_nodes[c].onKeyUp(a);this.graph.change();if(b)return a.preventDefault(),!1}}};e.prototype.copyToClipboard=function(){var a={nodes:[],links:[]},b=0,c=[],h;for(h in this.selected_nodes){var d=this.selected_nodes[h];d._relative_id=b;c.push(d);b+=1}for(h=0;h<c.length;++h)if(d=c[h],a.nodes.push(d.clone().serialize()),d.inputs&&d.inputs.length)for(b=0;b<d.inputs.length;++b){var e=
+d.inputs[b];if(e&&null!=e.link&&(e=this.graph.links[e.link])){var n=this.graph.getNodeById(e.origin_id);n&&this.selected_nodes[n.id]&&a.links.push([n._relative_id,b,d._relative_id,e.target_slot])}}localStorage.setItem("litegrapheditor_clipboard",JSON.stringify(a))};e.prototype.pasteFromClipboard=function(){var a=localStorage.getItem("litegrapheditor_clipboard");if(a){for(var a=JSON.parse(a),b=[],c=0;c<a.nodes.length;++c){var h=a.nodes[c],k=d.createNode(h.type);k&&(k.configure(h),k.pos[0]+=5,k.pos[1]+=
+5,this.graph.add(k),b.push(k))}for(c=0;c<a.links.length;++c)h=a.links[c],b[h[0]].connect(h[1],b[h[2]],h[3]);this.selectNodes(b)}};e.prototype.processDrop=function(a){a.preventDefault();this.adjustMouseEvent(a);var b=[a.canvasX,a.canvasY],c=this.graph.getNodeOnPos(b[0],b[1]);if(c){if((c.onDropFile||c.onDropData)&&(b=a.dataTransfer.files)&&b.length)for(var d=0;d<b.length;d++){var k=a.dataTransfer.files[0],l=k.name;e.getFileExtension(l);if(c.onDropFile)c.onDropFile(k);if(c.onDropData){var n=new FileReader;
+n.onload=function(a){c.onDropData(a.target.result,l,k)};var f=k.type.split("/")[0];"text"==f||""==f?n.readAsText(k):"image"==f?n.readAsDataURL(k):n.readAsArrayBuffer(k)}}return c.onDropItem&&c.onDropItem(event)?!0:this.onDropItem?this.onDropItem(event):!1}b=null;this.onDropItem&&(b=this.onDropItem(event));b||this.checkDropItem(a)};e.prototype.checkDropItem=function(a){if(a.dataTransfer.files.length){var b=a.dataTransfer.files[0],c=e.getFileExtension(b.name).toLowerCase();if(c=d.node_types_by_file_extension[c])if(c=
+d.createNode(c.type),c.pos=[a.canvasX,a.canvasY],this.graph.add(c),c.onDropFile)c.onDropFile(b)}};e.prototype.processNodeDblClicked=function(a){if(this.onShowNodePanel)this.onShowNodePanel(a);if(this.onNodeDblClicked)this.onNodeDblClicked(a);this.setDirty(!0)};e.prototype.processNodeSelected=function(a,b){this.selectNode(a,b&&b.shiftKey);if(this.onNodeSelected)this.onNodeSelected(a)};e.prototype.processNodeDeselected=function(a){this.deselectNode(a);if(this.onNodeDeselected)this.onNodeDeselected(a)};
+e.prototype.selectNode=function(a,b){null==a?this.deselectAllNodes():this.selectNodes([a],b)};e.prototype.selectNodes=function(a,b){b||this.deselectAllNodes();a=a||this.graph._nodes;for(var c=0;c<a.length;++c){var d=a[c];if(!d.selected){if(!d.selected&&d.onSelected)d.onSelected();d.selected=!0;this.selected_nodes[d.id]=d;if(d.inputs)for(c=0;c<d.inputs.length;++c)this.highlighted_links[d.inputs[c].link]=!0;if(d.outputs)for(c=0;c<d.outputs.length;++c){var k=d.outputs[c];if(k.links)for(var e=0;e<k.links.length;++e)this.highlighted_links[k.links[e]]=
+!0}}}this.setDirty(!0)};e.prototype.deselectNode=function(a){if(a.selected){if(a.onDeselected)a.onDeselected();a.selected=!1;if(a.inputs)for(var b=0;b<a.inputs.length;++b)delete this.highlighted_links[a.inputs[b].link];if(a.outputs)for(b=0;b<a.outputs.length;++b){var c=a.outputs[b];if(c.links)for(var d=0;d<c.links.length;++d)delete this.highlighted_links[c.links[d]]}}};e.prototype.deselectAllNodes=function(){if(this.graph){for(var a=this.graph._nodes,b=0,c=a.length;b<c;++b){var d=a[b];if(d.selected){if(d.onDeselected)d.onDeselected();
+d.selected=!1}}this.selected_nodes={};this.highlighted_links={};this.setDirty(!0)}};e.prototype.deleteSelectedNodes=function(){for(var a in this.selected_nodes)this.graph.remove(this.selected_nodes[a]);this.selected_nodes={};this.highlighted_links={};this.setDirty(!0)};e.prototype.centerOnNode=function(a){this.offset[0]=-a.pos[0]-0.5*a.size[0]+0.5*this.canvas.width/this.scale;this.offset[1]=-a.pos[1]-0.5*a.size[1]+0.5*this.canvas.height/this.scale;this.setDirty(!0,!0)};e.prototype.adjustMouseEvent=
+function(a){var b=this.canvas.getBoundingClientRect();a.localX=a.pageX-b.left;a.localY=a.pageY-b.top;a.canvasX=a.localX/this.scale-this.offset[0];a.canvasY=a.localY/this.scale-this.offset[1]};e.prototype.setZoom=function(a,b){b||(b=[0.5*this.canvas.width,0.5*this.canvas.height]);var c=this.convertOffsetToCanvas(b);this.scale=a;this.scale>this.max_zoom?this.scale=this.max_zoom:this.scale<this.min_zoom&&(this.scale=this.min_zoom);var d=this.convertOffsetToCanvas(b),c=[d[0]-c[0],d[1]-c[1]];this.offset[0]+=
+c[0];this.offset[1]+=c[1];this.dirty_bgcanvas=this.dirty_canvas=!0};e.prototype.convertOffsetToCanvas=function(a,b){b=b||[];b[0]=a[0]/this.scale-this.offset[0];b[1]=a[1]/this.scale-this.offset[1];return b};e.prototype.convertCanvasToOffset=function(a,b){b=b||[];b[0]=(a[0]+this.offset[0])*this.scale;b[1]=(a[1]+this.offset[1])*this.scale;return b};e.prototype.convertEventToCanvas=function(a){var b=this.canvas.getBoundingClientRect();return this.convertOffsetToCanvas([a.pageX-b.left,a.pageY-b.top])};
+e.prototype.bringToFront=function(a){var b=this.graph._nodes.indexOf(a);-1!=b&&(this.graph._nodes.splice(b,1),this.graph._nodes.push(a))};e.prototype.sendToBack=function(a){var b=this.graph._nodes.indexOf(a);-1!=b&&(this.graph._nodes.splice(b,1),this.graph._nodes.unshift(a))};var s=new Float32Array(4);e.prototype.computeVisibleNodes=function(a,b){var c=b||[];c.length=0;a=a||this.graph._nodes;for(var d=0,k=a.length;d<k;++d){var e=a[d];(!this.live_mode||e.onDrawBackground||e.onDrawForeground)&&u(this.visible_area,
+e.getBounding(s))&&c.push(e)}return c};e.prototype.draw=function(a,b){if(this.canvas){var c=d.getTime();this.render_time=0.001*(c-this.last_draw_time);this.last_draw_time=c;if(this.graph){var h=[-this.offset[0],-this.offset[1]],k=[h[0]+this.canvas.width/this.scale,h[1]+this.canvas.height/this.scale];this.visible_area=new Float32Array([h[0],h[1],k[0]-h[0],k[1]-h[1]])}(this.dirty_bgcanvas||b||this.always_render_background||this.graph&&this.graph._last_trigger_time&&1E3>c-this.graph._last_trigger_time)&&
+this.drawBackCanvas();(this.dirty_canvas||a)&&this.drawFrontCanvas();this.fps=this.render_time?1/this.render_time:0;this.frame+=1}};e.prototype.drawFrontCanvas=function(){this.ctx||(this.ctx=this.bgcanvas.getContext("2d"));var a=this.ctx;if(a){a.start2D&&a.start2D();var b=this.canvas;a.restore();a.setTransform(1,0,0,1,0,0);this.dirty_area&&(a.save(),a.beginPath(),a.rect(this.dirty_area[0],this.dirty_area[1],this.dirty_area[2],this.dirty_area[3]),a.clip());this.clear_background&&a.clearRect(0,0,b.width,
+b.height);this.bgcanvas==this.canvas?this.drawBackCanvas():a.drawImage(this.bgcanvas,0,0);if(this.onRender)this.onRender(b,a);this.show_info&&this.renderInfo(a);if(this.graph){a.save();a.scale(this.scale,this.scale);a.translate(this.offset[0],this.offset[1]);for(var b=this.computeVisibleNodes(null,this.visible_nodes),c=0;c<b.length;++c){var h=b[c];a.save();a.translate(h.pos[0],h.pos[1]);this.drawNode(h,a);a.restore()}this.graph.config.links_ontop&&(this.live_mode||this.drawConnections(a));if(null!=
+this.connecting_pos){a.lineWidth=this.connections_width;b=null;switch(this.connecting_output.type){case d.EVENT:b="#F85";break;default:b="#AFA"}this.renderLink(a,this.connecting_pos,[this.canvas_mouse[0],this.canvas_mouse[1]],null,!1,null,b);a.beginPath();this.connecting_output.type===d.EVENT?a.rect(this.connecting_pos[0]-6+0.5,this.connecting_pos[1]-5+0.5,14,10):a.arc(this.connecting_pos[0],this.connecting_pos[1],4,0,2*Math.PI);a.fill();a.fillStyle="#ffcc00";this._highlight_input&&(a.beginPath(),
+a.arc(this._highlight_input[0],this._highlight_input[1],6,0,2*Math.PI),a.fill())}this.dragging_rectangle&&(a.strokeStyle="#FFF",a.strokeRect(this.dragging_rectangle[0],this.dragging_rectangle[1],this.dragging_rectangle[2],this.dragging_rectangle[3]));a.restore()}this.dirty_area&&a.restore();a.finish2D&&a.finish2D();this.dirty_canvas=!1}};e.prototype.renderInfo=function(a,b,c){b=b||0;c=c||0;a.save();a.translate(b,c);a.font="10px Arial";a.fillStyle="#888";this.graph?(a.fillText("T: "+this.graph.globaltime.toFixed(2)+
+"s",5,13),a.fillText("I: "+this.graph.iteration,5,26),a.fillText("F: "+this.frame,5,39),a.fillText("FPS:"+this.fps.toFixed(2),5,52)):a.fillText("No graph selected",5,13);a.restore()};e.prototype.drawBackCanvas=function(){var a=this.bgcanvas;if(a.width!=this.canvas.width||a.height!=this.canvas.height)a.width=this.canvas.width,a.height=this.canvas.height;this.bgctx||(this.bgctx=this.bgcanvas.getContext("2d"));var b=this.bgctx;b.start&&b.start();this.clear_background&&b.clearRect(0,0,a.width,a.height);
+this._graph_stack&&this._graph_stack.length&&(b.strokeStyle=this._graph_stack[this._graph_stack.length-1].bgcolor,b.lineWidth=10,b.strokeRect(1,1,a.width-2,a.height-2),b.lineWidth=1);b.restore();b.setTransform(1,0,0,1,0,0);if(this.graph){b.save();b.scale(this.scale,this.scale);b.translate(this.offset[0],this.offset[1]);if(this.background_image&&0.5<this.scale){b.globalAlpha=(1-0.5/this.scale)*this.editor_alpha;b.imageSmoothingEnabled=b.mozImageSmoothingEnabled=b.imageSmoothingEnabled=!1;if(!this._bg_img||
+this._bg_img.name!=this.background_image){this._bg_img=new Image;this._bg_img.name=this.background_image;this._bg_img.src=this.background_image;var c=this;this._bg_img.onload=function(){c.draw(!0,!0)}}var d=null;null==this._pattern&&0<this._bg_img.width?(d=b.createPattern(this._bg_img,"repeat"),this._pattern_img=this._bg_img,this._pattern=d):d=this._pattern;d&&(b.fillStyle=d,b.fillRect(this.visible_area[0],this.visible_area[1],this.visible_area[2],this.visible_area[3]),b.fillStyle="transparent");
+b.globalAlpha=1;b.imageSmoothingEnabled=b.mozImageSmoothingEnabled=b.imageSmoothingEnabled=!0}if(this.onBackgroundRender)this.onBackgroundRender(a,b);b.strokeStyle="#235";b.strokeRect(0,0,a.width,a.height);this.render_connections_shadows?(b.shadowColor="#000",b.shadowOffsetX=0,b.shadowOffsetY=0,b.shadowBlur=6):b.shadowColor="rgba(0,0,0,0)";this.live_mode||this.drawConnections(b);b.shadowColor="rgba(0,0,0,0)";b.restore()}b.finish&&b.finish();this.dirty_bgcanvas=!1;this.dirty_canvas=!0};var l=new Float32Array(2);
+e.prototype.drawNode=function(a,b){var c=a.color||d.NODE_DEFAULT_COLOR,h=!0;if(a.flags.skip_title_render||a.graph.isLive())h=!1;a.mouseOver&&(h=!0);a.selected||(this.render_shadows?(b.shadowColor="rgba(0,0,0,0.5)",b.shadowOffsetX=2,b.shadowOffsetY=2,b.shadowBlur=3):b.shadowColor="transparent");if(this.live_mode){if(!a.flags.collapsed&&(b.shadowColor="transparent",a.onDrawForeground))a.onDrawForeground(b)}else{var k=this.editor_alpha;b.globalAlpha=k;var e=a._shape||d.BOX_SHAPE;l.set(a.size);a.flags.collapsed&&
+(l[0]=d.NODE_COLLAPSED_WIDTH,l[1]=0);a.flags.clip_area&&(b.save(),e==d.BOX_SHAPE?(b.beginPath(),b.rect(0,0,l[0],l[1])):e==d.ROUND_SHAPE?b.roundRect(0,0,l[0],l[1],10):e==d.CIRCLE_SHAPE&&(b.beginPath(),b.arc(0.5*l[0],0.5*l[1],0.5*l[0],0,2*Math.PI)),b.clip());this.drawNodeShape(a,b,l,c,a.bgcolor,!h,a.selected);b.shadowColor="transparent";b.textAlign="left";b.font=this.inner_text_font;h=0.6<this.scale;e=this.connecting_output;if(!a.flags.collapsed){if(a.inputs)for(var n=0;n<a.inputs.length;n++){var f=
+a.inputs[n];b.globalAlpha=k;this.connecting_node&&d.isValidConnection(f.type&&e.type)&&(b.globalAlpha=0.4*k);b.fillStyle=null!=f.link?"#7F7":"#AAA";var g=a.getConnectionPos(!0,n);g[0]-=a.pos[0];g[1]-=a.pos[1];b.beginPath();f.type===d.EVENT?b.rect(g[0]-6+0.5,g[1]-5+0.5,14,10):b.arc(g[0],g[1],4,0,2*Math.PI);b.fill();h&&(f=null!=f.label?f.label:f.name)&&(b.fillStyle=c,b.fillText(f,g[0]+10,g[1]+5))}this.connecting_node&&(b.globalAlpha=0.4*k);b.lineWidth=1;b.textAlign="right";b.strokeStyle="black";if(a.outputs)for(n=
+0;n<a.outputs.length;n++)if(f=a.outputs[n],g=a.getConnectionPos(!1,n),g[0]-=a.pos[0],g[1]-=a.pos[1],b.fillStyle=f.links&&f.links.length?"#7F7":"#AAA",b.beginPath(),f.type===d.EVENT?b.rect(g[0]-6+0.5,g[1]-5+0.5,14,10):b.arc(g[0],g[1],4,0,2*Math.PI),b.fill(),b.stroke(),h&&(f=null!=f.label?f.label:f.name))b.fillStyle=c,b.fillText(f,g[0]-10,g[1]+5);b.textAlign="left";b.globalAlpha=1;if(a.onDrawForeground)a.onDrawForeground(b)}a.flags.clip_area&&b.restore();b.globalAlpha=1}};e.prototype.drawNodeShape=
+function(a,b,c,h,k,e,n){b.strokeStyle=h||d.NODE_DEFAULT_COLOR;b.fillStyle=k||d.NODE_DEFAULT_BGCOLOR;k=d.NODE_TITLE_HEIGHT;var l=a._shape||d.BOX_SHAPE;l==d.BOX_SHAPE?(b.beginPath(),b.rect(0,e?0:-k,c[0]+1,e?c[1]:c[1]+k),b.fill(),b.shadowColor="transparent",n&&(b.strokeStyle="#CCC",b.strokeRect(-0.5,e?-0.5:-k+-0.5,c[0]+2,e?c[1]+2:c[1]+k+2-1),b.strokeStyle=h)):l==d.ROUND_SHAPE?(b.roundRect(0,e?0:-k,c[0],e?c[1]:c[1]+k,10),b.fill()):l==d.CIRCLE_SHAPE&&(b.beginPath(),b.arc(0.5*c[0],0.5*c[1],0.5*c[0],0,2*
+Math.PI),b.fill());b.shadowColor="transparent";a.bgImage&&a.bgImage.width&&b.drawImage(a.bgImage,0.5*(c[0]-a.bgImage.width),0.5*(c[1]-a.bgImage.height));a.bgImageUrl&&!a.bgImage&&(a.bgImage=a.loadImage(a.bgImageUrl));if(a.onDrawBackground)a.onDrawBackground(b);e||(b.fillStyle=h||d.NODE_DEFAULT_COLOR,h=b.globalAlpha,b.globalAlpha=0.5*h,l==d.BOX_SHAPE?(b.beginPath(),b.rect(0,-k,c[0]+1,k),b.fill()):l==d.ROUND_SHAPE&&(b.roundRect(0,-k,c[0],k,10,0),b.fill()),b.fillStyle=a.boxcolor||d.NODE_DEFAULT_BOXCOLOR,
+b.beginPath(),l==d.ROUND_SHAPE||l==d.CIRCLE_SHAPE?b.arc(0.5*k,-0.5*k,0.5*(k-6),0,2*Math.PI):b.rect(3,-k+3,k-6,k-6),b.fill(),b.globalAlpha=h,b.font=this.title_text_font,(a=a.getTitle())&&0.5<this.scale&&(b.fillStyle=d.NODE_TITLE_COLOR,b.fillText(a,16,13-k)))};e.prototype.drawNodeCollapsed=function(a,b,c,h){b.strokeStyle=c||d.NODE_DEFAULT_COLOR;b.fillStyle=h||d.NODE_DEFAULT_BGCOLOR;c=d.NODE_COLLAPSED_RADIUS;h=a._shape||d.BOX_SHAPE;h==d.CIRCLE_SHAPE?(b.beginPath(),b.arc(0.5*a.size[0],0.5*a.size[1],c,
+0,2*Math.PI),b.fill(),b.shadowColor="rgba(0,0,0,0)",b.stroke(),b.fillStyle=a.boxcolor||d.NODE_DEFAULT_BOXCOLOR,b.beginPath(),b.arc(0.5*a.size[0],0.5*a.size[1],0.5*c,0,2*Math.PI)):h==d.ROUND_SHAPE?(b.beginPath(),b.roundRect(0.5*a.size[0]-c,0.5*a.size[1]-c,2*c,2*c,5),b.fill(),b.shadowColor="rgba(0,0,0,0)",b.stroke(),b.fillStyle=a.boxcolor||d.NODE_DEFAULT_BOXCOLOR,b.beginPath(),b.roundRect(0.5*a.size[0]-0.5*c,0.5*a.size[1]-0.5*c,c,c,2)):(b.beginPath(),b.rect(0,0,a.size[0],2*c),b.fill(),b.shadowColor=
+"rgba(0,0,0,0)",b.stroke(),b.fillStyle=a.boxcolor||d.NODE_DEFAULT_BOXCOLOR,b.beginPath(),b.rect(0.5*c,0.5*c,c,c));b.fill()};e.prototype.drawConnections=function(a){var b=d.getTime();a.lineWidth=this.connections_width;a.fillStyle="#AAA";a.strokeStyle="#AAA";a.globalAlpha=this.editor_alpha;for(var c=0,h=this.graph._nodes.length;c<h;++c){var k=this.graph._nodes[c];if(k.inputs&&k.inputs.length)for(var e=0;e<k.inputs.length;++e){var n=k.inputs[e];if(n&&null!=n.link&&(n=this.graph.links[n.link])){var l=
+this.graph.getNodeById(n.origin_id);if(null!=l){var f=n.origin_slot,g=null,g=-1==f?[l.pos[0]+10,l.pos[1]+10]:l.getConnectionPos(!1,f);this.renderLink(a,g,k.getConnectionPos(!0,e),n);n&&n._last_time&&1E3>b-n._last_time&&(l=2-0.002*(b-n._last_time),f="rgba(255,255,255, "+l.toFixed(2)+")",this.renderLink(a,g,k.getConnectionPos(!0,e),n,!0,l,f))}}}}a.globalAlpha=1};e.prototype.renderLink=function(a,b,c,h,k,l,n){if(this.highquality_render){var f=t(b,c);this.render_connections_border&&0.6<this.scale&&(a.lineWidth=
+this.connections_width+4);!n&&h&&(n=e.link_type_colors[h.type]);n||(n=this.default_link_color);null!=h&&this.highlighted_links[h.id]&&(n="#FFF");a.beginPath();this.render_curved_connections?(a.moveTo(b[0],b[1]),a.bezierCurveTo(b[0]+0.25*f,b[1],c[0]-0.25*f,c[1],c[0],c[1])):(a.moveTo(b[0]+10,b[1]),a.lineTo(0.5*(b[0]+10+(c[0]-10)),b[1]),a.lineTo(0.5*(b[0]+10+(c[0]-10)),c[1]),a.lineTo(c[0]-10,c[1]));this.render_connections_border&&0.6<this.scale&&!k&&(a.strokeStyle="rgba(0,0,0,0.5)",a.stroke());a.lineWidth=
+this.connections_width;a.fillStyle=a.strokeStyle=n;a.stroke();this.render_connection_arrows&&0.6<=this.scale&&this.render_connection_arrows&&0.6<this.scale&&(h=this.computeConnectionPoint(b,c,0.5),k=this.computeConnectionPoint(b,c,0.51),n=0,n=this.render_curved_connections?-Math.atan2(k[0]-h[0],k[1]-h[1]):c[1]>b[1]?0:Math.PI,a.save(),a.translate(h[0],h[1]),a.rotate(n),a.beginPath(),a.moveTo(-5,-5),a.lineTo(0,5),a.lineTo(5,-5),a.fill(),a.restore());if(l)for(l=0;5>l;++l)h=(0.001*d.getTime()+0.2*l)%
+1,h=this.computeConnectionPoint(b,c,h),a.beginPath(),a.arc(h[0],h[1],5,0,2*Math.PI),a.fill()}else a.beginPath(),a.moveTo(b[0],b[1]),a.lineTo(c[0],c[1]),a.stroke()};e.prototype.computeConnectionPoint=function(a,b,c){var d=t(a,b),e=[a[0]+0.25*d,a[1]],d=[b[0]-0.25*d,b[1]],l=(1-c)*(1-c)*(1-c),n=3*(1-c)*(1-c)*c,f=3*(1-c)*c*c;c*=c*c;return[l*a[0]+n*e[0]+f*d[0]+c*b[0],l*a[1]+n*e[1]+f*d[1]+c*b[1]]};e.prototype.resize=function(a,b){if(!a&&!b){var c=this.canvas.parentNode;a=c.offsetWidth;b=c.offsetHeight}if(this.canvas.width!=
+a||this.canvas.height!=b)this.canvas.width=a,this.canvas.height=b,this.bgcanvas.width=this.canvas.width,this.bgcanvas.height=this.canvas.height,this.setDirty(!0,!0)};e.prototype.switchLiveMode=function(a){if(a){var b=this,c=this.live_mode?1.1:0.9;this.live_mode&&(this.live_mode=!1,this.editor_alpha=0.1);var d=setInterval(function(){b.editor_alpha*=c;b.dirty_canvas=!0;b.dirty_bgcanvas=!0;1>c&&0.01>b.editor_alpha&&(clearInterval(d),1>c&&(b.live_mode=!0));1<c&&0.99<b.editor_alpha&&(clearInterval(d),
+b.editor_alpha=1)},1)}else this.live_mode=!this.live_mode,this.dirty_bgcanvas=this.dirty_canvas=!0};e.prototype.onNodeSelectionChange=function(a){};e.prototype.touchHandler=function(a){var b=a.changedTouches[0],c="";switch(a.type){case "touchstart":c="mousedown";break;case "touchmove":c="mousemove";break;case "touchend":c="mouseup";break;default:return}var d=this.getCanvasWindow(),e=d.document.createEvent("MouseEvent");e.initMouseEvent(c,!0,!0,d,1,b.screenX,b.screenY,b.clientX,b.clientY,!1,!1,!1,
+!1,0,null);b.target.dispatchEvent(e);a.preventDefault()};e.onMenuAdd=function(a,b,c,h){function k(a,b){var c=h.getFirstEvent(),n=d.createNode(a.value);n&&(n.pos=l.convertEventToCanvas(c),l.graph.add(n))}var l=e.active_canvas,n=l.getCanvasWindow();a=d.getNodeTypesCategories();b=[];for(var f in a)a[f]&&b.push({value:a[f],content:a[f],has_submenu:!0});var g=new d.ContextMenu(b,{event:c,callback:function(a,b,c){a=d.getNodeTypesInCategory(a.value);b=[];for(var h in a)b.push({content:a[h].title,value:a[h].type});
+new d.ContextMenu(b,{event:c,callback:k,parentMenu:g},n);return!1},parentMenu:h},n);return!1};e.onMenuCollapseAll=function(){};e.onMenuNodeEdit=function(){};e.showMenuNodeOptionalInputs=function(a,b,c,h,k){function l(a,b,c){k&&(a.callback&&a.callback.call(n,k,a,b,c),a.value&&(k.addInput(a.value[0],a.value[1],a.value[2]),k.setDirtyCanvas(!0,!0)))}if(k){var n=this;a=e.active_canvas.getCanvasWindow();b=k.optional_inputs;k.onGetInputs&&(b=k.onGetInputs());var f=[];if(b)for(var g in b){var s=b[g];if(s){var w=
+s[0];s[2]&&s[2].label&&(w=s[2].label);w={content:w,value:s};s[1]==d.ACTION&&(w.className="event");f.push(w)}else f.push(null)}this.onMenuNodeInputs&&(f=this.onMenuNodeInputs(f));if(f.length)return new d.ContextMenu(f,{event:c,callback:l,parentMenu:h,node:k},a),!1}};e.showMenuNodeOptionalOutputs=function(a,b,c,h,k){function l(a,b,c){if(k&&(a.callback&&a.callback.call(n,k,a,b,c),a.value))if(c=a.value[1],!c||c.constructor!==Object&&c.constructor!==Array)k.addOutput(a.value[0],a.value[1],a.value[2]),
+k.setDirtyCanvas(!0,!0);else{a=[];for(var e in c)a.push({content:e,value:c[e]});new d.ContextMenu(a,{event:b,callback:l,parentMenu:h,node:k});return!1}}if(k){var n=this;a=e.active_canvas.getCanvasWindow();b=k.optional_outputs;k.onGetOutputs&&(b=k.onGetOutputs());var f=[];if(b)for(var g in b){var s=b[g];if(!s)f.push(null);else if(!k.flags||!k.flags.skip_repeated_outputs||-1==k.findOutputSlot(s[0])){var w=s[0];s[2]&&s[2].label&&(w=s[2].label);w={content:w,value:s};s[1]==d.EVENT&&(w.className="event");
+f.push(w)}}this.onMenuNodeOutputs&&(f=this.onMenuNodeOutputs(f));if(f.length)return new d.ContextMenu(f,{event:c,callback:l,parentMenu:h,node:k},a),!1}};e.onShowMenuNodeProperties=function(a,b,c,h,k){function l(a,b,c,d){k&&(b=this.getBoundingClientRect(),n.showEditPropertyValue(k,a.value,{position:[b.left,b.top]}))}if(k&&k.properties){var n=e.active_canvas;b=n.getCanvasWindow();var f=[],g;for(g in k.properties)a=void 0!==k.properties[g]?k.properties[g]:" ",a=e.decodeHTML(a),f.push({content:"<span class='property_name'>"+
+g+"</span><span class='property_value'>"+a+"</span>",value:g});if(f.length)return new d.ContextMenu(f,{event:c,callback:l,parentMenu:h,allow_html:!0,node:k},b),!1}};e.decodeHTML=function(a){var b=document.createElement("div");b.innerText=a;return b.innerHTML};e.onResizeNode=function(a,b,c,d,e){e&&(e.size=e.computeSize(),e.setDirtyCanvas(!0,!0))};e.onShowTitleEditor=function(a,b,c,d,k){function l(){k.title=f.value;n.parentNode.removeChild(n);k.setDirtyCanvas(!0,!0)}var n=document.createElement("div");
+n.className="graphdialog";n.innerHTML="<span class='name'>Title</span><input autofocus type='text' class='value'/><button>OK</button>";var f=n.querySelector("input");f&&(f.value=k.title,f.addEventListener("keydown",function(a){13==a.keyCode&&(l(),a.preventDefault(),a.stopPropagation())}));a=e.active_canvas.canvas;b=a.getBoundingClientRect();d=c=-20;b&&(c-=b.left,d-=b.top);event?(n.style.left=event.pageX+c+"px",n.style.top=event.pageY+d+"px"):(n.style.left=0.5*a.width+c+"px",n.style.top=0.5*a.height+
+d+"px");n.querySelector("button").addEventListener("click",l);a.parentNode.appendChild(n)};e.prototype.showEditPropertyValue=function(a,b,c){function d(){e(y.value)}function e(c){"number"==typeof a.properties[b]&&(c=Number(c));a.properties[b]=c;if(a.onPropertyChanged)a.onPropertyChanged(b,c);w.close();a.setDirtyCanvas(!0,!0)}if(a&&void 0!==a.properties[b]){c=c||{};var l="string";null!==a.properties[b]&&(l=typeof a.properties[b]);var n=null;a.getPropertyInfo&&(n=a.getPropertyInfo(b));if(a.properties_info)for(var f=
+0;f<a.properties_info.length;++f)if(a.properties_info[f].name==b){n=a.properties_info[f];break}void 0!==n&&null!==n&&n.type&&(l=n.type);var g="";if("string"==l||"number"==l)g="<input autofocus type='text' class='value'/>";else if("enum"==l&&n.values){g="<select autofocus type='text' class='value'>";for(f in n.values)var s=n.values.constructor===Array?n.values[f]:f,g=g+("<option value='"+s+"' "+(s==a.properties[b]?"selected":"")+">"+n.values[f]+"</option>");g+="</select>"}else"boolean"==l&&(g="<input autofocus type='checkbox' class='value' "+
+(a.properties[b]?"checked":"")+"/>");var w=this.createDialog("<span class='name'>"+b+"</span>"+g+"<button>OK</button>",c);if("enum"==l&&n.values){var y=w.querySelector("select");y.addEventListener("change",function(a){e(a.target.value)})}else if("boolean"==l)(y=w.querySelector("input"))&&y.addEventListener("click",function(a){e(!!y.checked)});else if(y=w.querySelector("input"))y.value=void 0!==a.properties[b]?a.properties[b]:"",y.addEventListener("keydown",function(a){13==a.keyCode&&(d(),a.preventDefault(),
+a.stopPropagation())});w.querySelector("button").addEventListener("click",d)}};e.prototype.createDialog=function(a,b){b=b||{};var c=document.createElement("div");c.className="graphdialog";c.innerHTML=a;var d=this.canvas.getBoundingClientRect(),e=-20,l=-20;d&&(e-=d.left,l-=d.top);b.position?(e+=b.position[0],l+=b.position[1]):b.event?(e+=b.event.pageX,l+=b.event.pageY):(e+=0.5*this.canvas.width,l+=0.5*this.canvas.height);c.style.left=e+"px";c.style.top=l+"px";this.canvas.parentNode.appendChild(c);
+c.close=function(){this.parentNode&&this.parentNode.removeChild(this)};return c};e.onMenuNodeCollapse=function(a,b,c,d,e){e.flags.collapsed=!e.flags.collapsed;e.setDirtyCanvas(!0,!0)};e.onMenuNodePin=function(a,b,c,d,e){e.pin()};e.onMenuNodeMode=function(a,b,c,e,l){new d.ContextMenu(["Always","On Event","On Trigger","Never"],{event:c,callback:function(a){if(l)switch(a){case "On Event":l.mode=d.ON_EVENT;break;case "On Trigger":l.mode=d.ON_TRIGGER;break;case "Never":l.mode=d.NEVER;break;default:l.mode=
+d.ALWAYS}},parentMenu:e,node:l});return!1};e.onMenuNodeColors=function(a,b,c,l,k){if(!k)throw"no node for color";b=[];for(var f in e.node_colors)a=e.node_colors[f],a={value:f,content:"<span style='display: block; color:"+a.color+"; background-color:"+a.bgcolor+"'>"+f+"</span>"},b.push(a);new d.ContextMenu(b,{event:c,callback:function(a){k&&(a=e.node_colors[a.value])&&(k.color=a.color,k.bgcolor=a.bgcolor,k.setDirtyCanvas(!0))},parentMenu:l,node:k});return!1};e.onMenuNodeShapes=function(a,b,c,e,l){if(!l)throw"no node passed";
+new d.ContextMenu(d.VALID_SHAPES,{event:c,callback:function(a){l&&(l.shape=a,l.setDirtyCanvas(!0))},parentMenu:e,node:l});return!1};e.onMenuNodeRemove=function(a,b,c,d,e){if(!e)throw"no node passed";!1!=e.removable&&(e.graph.remove(e),e.setDirtyCanvas(!0,!0))};e.onMenuNodeClone=function(a,b,c,d,e){!1!=e.clonable&&(a=e.clone())&&(a.pos=[e.pos[0]+5,e.pos[1]+5],e.graph.add(a),e.setDirtyCanvas(!0,!0))};e.node_colors={red:{color:"#FAA",bgcolor:"#944"},green:{color:"#AFA",bgcolor:"#494"},blue:{color:"#AAF",
+bgcolor:"#449"},cyan:{color:"#AFF",bgcolor:"#499"},purple:{color:"#FAF",bgcolor:"#949"},yellow:{color:"#FFA",bgcolor:"#994"},black:{color:"#777",bgcolor:"#000"},white:{color:"#FFF",bgcolor:"#AAA"}};e.prototype.getCanvasMenuOptions=function(){var a=null;this.getMenuOptions?a=this.getMenuOptions():(a=[{content:"Add Node",has_submenu:!0,callback:e.onMenuAdd}],this._graph_stack&&0<this._graph_stack.length&&(a=[{content:"Close subgraph",callback:this.closeSubgraph.bind(this)},null].concat(a)));if(this.getExtraMenuOptions){var b=
+this.getExtraMenuOptions(this,a);b&&(a=a.concat(b))}return a};e.prototype.getNodeMenuOptions=function(a){var b=null,b=a.getMenuOptions?a.getMenuOptions(this):[{content:"Inputs",has_submenu:!0,disabled:!0,callback:e.showMenuNodeOptionalInputs},{content:"Outputs",has_submenu:!0,disabled:!0,callback:e.showMenuNodeOptionalOutputs},null,{content:"Properties",has_submenu:!0,callback:e.onShowMenuNodeProperties},null,{content:"Title",callback:e.onShowTitleEditor},{content:"Mode",has_submenu:!0,callback:e.onMenuNodeMode},
+{content:"Resize",callback:e.onResizeNode},{content:"Collapse",callback:e.onMenuNodeCollapse},{content:"Pin",callback:e.onMenuNodePin},{content:"Colors",has_submenu:!0,callback:e.onMenuNodeColors},{content:"Shapes",has_submenu:!0,callback:e.onMenuNodeShapes},null];if(a.getExtraMenuOptions){var c=a.getExtraMenuOptions(this);c&&(c.push(null),b=c.concat(b))}!1!==a.clonable&&b.push({content:"Clone",callback:e.onMenuNodeClone});!1!==a.removable&&b.push(null,{content:"Remove",callback:e.onMenuNodeRemove});
+a.onGetInputs&&(c=a.onGetInputs())&&c.length&&(b[0].disabled=!1);a.onGetOutputs&&(c=a.onGetOutputs())&&c.length&&(b[1].disabled=!1);if(a.graph&&a.graph.onGetNodeMenuOptions)a.graph.onGetNodeMenuOptions(b,a);return b};e.prototype.processContextMenu=function(a,b){var c=this,l=e.active_canvas.getCanvasWindow(),f=null,g={event:b,callback:function(b,d,e){if(b)if("Remove Slot"==b.content){var l=b.slot;l.input?a.removeInput(l.slot):l.output&&a.removeOutput(l.slot)}else if("Rename Slot"==b.content){var l=
+b.slot,n=c.createDialog("<span class='name'>Name</span><input type='text'/><button>OK</button>",d),h=n.querySelector("input");n.querySelector("button").addEventListener("click",function(b){if(h.value){if(b=l.input?a.getInputInfo(l.slot):a.getOutputInfo(l.slot))b.label=h.value;c.setDirty(!0)}n.close()})}},node:a},n=null;a&&(n=a.getSlotInPosition(b.canvasX,b.canvasY),e.active_node=a);n?(f=[],f.push(n.locked?"Cannot remove":{content:"Remove Slot",slot:n}),f.push({content:"Rename Slot",slot:n}),g.title=
+(n.input?n.input.type:n.output.type)||"*",n.input&&n.input.type==d.ACTION&&(g.title="Action"),n.output&&n.output.type==d.EVENT&&(g.title="Event")):f=a?this.getNodeMenuOptions(a):this.getCanvasMenuOptions();f&&new d.ContextMenu(f,g,l)};this.CanvasRenderingContext2D&&(CanvasRenderingContext2D.prototype.roundRect=function(a,b,c,d,e,l){void 0===e&&(e=5);void 0===l&&(l=e);this.beginPath();this.moveTo(a+e,b);this.lineTo(a+c-e,b);this.quadraticCurveTo(a+c,b,a+c,b+e);this.lineTo(a+c,b+d-l);this.quadraticCurveTo(a+
+c,b+d,a+c-l,b+d);this.lineTo(a+l,b+d);this.quadraticCurveTo(a,b+d,a,b+d-l);this.lineTo(a,b+e);this.quadraticCurveTo(a,b,a+e,b)});d.compareObjects=function(a,b){for(var c in a)if(a[c]!=b[c])return!1;return!0};d.distance=t;d.colorToString=function(a){return"rgba("+Math.round(255*a[0]).toFixed()+","+Math.round(255*a[1]).toFixed()+","+Math.round(255*a[2]).toFixed()+","+(4==a.length?a[3].toFixed(2):"1.0")+")"};d.isInsideRectangle=p;d.growBounding=function(a,b,c){b<a[0]?a[0]=b:b>a[2]&&(a[2]=b);c<a[1]?a[1]=
+c:c>a[3]&&(a[3]=c)};d.isInsideBounding=function(a,b){return a[0]<b[0][0]||a[1]<b[0][1]||a[0]>b[1][0]||a[1]>b[1][1]?!1:!0};d.overlapBounding=u;d.hex2num=function(a){"#"==a.charAt(0)&&(a=a.slice(1));a=a.toUpperCase();for(var b=Array(3),c=0,d,e,l=0;6>l;l+=2)d="0123456789ABCDEF".indexOf(a.charAt(l)),e="0123456789ABCDEF".indexOf(a.charAt(l+1)),b[c]=16*d+e,c++;return b};d.num2hex=function(a){for(var b="#",c,d,e=0;3>e;e++)c=a[e]/16,d=a[e]%16,b+="0123456789ABCDEF".charAt(c)+"0123456789ABCDEF".charAt(d);return b};
+v.prototype.addItem=function(a,b,c){function d(a){var b=this.value;b&&b.has_submenu&&e.call(this,a)}function e(a){var b=this.value,d=!0;l.current_submenu&&l.current_submenu.close(a);if(c.callback){var n=c.callback.call(this,b,c,a,l,c.node);!0===n&&(d=!1)}if(b&&(b.callback&&!c.ignore_item_callbacks&&!0!==b.disabled&&(n=b.callback.call(this,b,c,a,l,c.node),!0===n&&(d=!1)),b.submenu)){if(!b.submenu.options)throw"ContextMenu submenu needs options";new l.constructor(b.submenu.options,{callback:b.submenu.callback,
+event:a,parentMenu:l,ignore_item_callbacks:b.submenu.ignore_item_callbacks,title:b.submenu.title,autoopen:c.autoopen});d=!1}d&&!l.lock&&l.close()}var l=this;c=c||{};var n=document.createElement("div");n.className="litemenu-entry submenu";var f=!1;if(null===b)n.classList.add("separator");else{n.innerHTML=b&&b.title?b.title:a;if(n.value=b)b.disabled&&(f=!0,n.classList.add("disabled")),(b.submenu||b.has_submenu)&&n.classList.add("has_submenu");"function"==typeof b?(n.dataset.value=a,n.onclick_callback=
+b):n.dataset.value=b;b.className&&(n.className+=" "+b.className)}this.root.appendChild(n);f||n.addEventListener("click",e);c.autoopen&&n.addEventListener("mouseenter",d);return n};v.prototype.close=function(a,b){this.root.parentNode&&this.root.parentNode.removeChild(this.root);this.parentMenu&&!b&&(this.parentMenu.lock=!1,this.parentMenu.current_submenu=null,void 0===a?this.parentMenu.close():a&&!v.isCursorOverElement(a,this.parentMenu.root)&&v.trigger(this.parentMenu.root,"mouseleave",a));this.current_submenu&&
+this.current_submenu.close(a,!0)};v.trigger=function(a,b,c,d){var e=document.createEvent("CustomEvent");e.initCustomEvent(b,!0,!0,c);e.srcElement=d;a.dispatchEvent?a.dispatchEvent(e):a.__events&&a.__events.dispatchEvent(e);return e};v.prototype.getTopMenu=function(){return this.options.parentMenu?this.options.parentMenu.getTopMenu():this};v.prototype.getFirstEvent=function(){return this.options.parentMenu?this.options.parentMenu.getFirstEvent():this.options.event};v.isCursorOverElement=function(a,
+b){var c=a.pageX,d=a.pageY,e=b.getBoundingClientRect();return e?d>e.top&&d<e.top+e.height&&c>e.left&&c<e.left+e.width?!0:!1:!1};d.ContextMenu=v;d.closeAllContextMenus=function(a){a=a||window;a=a.document.querySelectorAll(".litecontextmenu");if(a.length){for(var b=[],c=0;c<a.length;c++)b.push(a[c]);for(c in b)b[c].close?b[c].close():b[c].parentNode&&b[c].parentNode.removeChild(b[c])}};d.extendClass=function(a,b){for(var c in b)a.hasOwnProperty(c)||(a[c]=b[c]);if(b.prototype)for(c in b.prototype)b.prototype.hasOwnProperty(c)&&
+!a.prototype.hasOwnProperty(c)&&(b.prototype.__lookupGetter__(c)?a.prototype.__defineGetter__(c,b.prototype.__lookupGetter__(c)):a.prototype[c]=b.prototype[c],b.prototype.__lookupSetter__(c)&&a.prototype.__defineSetter__(c,b.prototype.__lookupSetter__(c)))};d.getParameterNames=function(a){return(a+"").replace(/[/][/].*$/mg,"").replace(/\s+/g,"").replace(/[/][*][^/*]*[*][/]/g,"").split("){",1)[0].replace(/^[^(]*[(]/,"").replace(/=[^,]+/g,"").split(",").filter(Boolean)};"undefined"==typeof window||
+window.requestAnimationFrame||(window.requestAnimationFrame=window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||function(a){window.setTimeout(a,1E3/60)})})(this);"undefined"!=typeof exports&&(exports.LiteGraph=this.LiteGraph);
+(function(q){function g(){this.addOutput("in ms","number");this.addOutput("in sec","number")}function f(){this.size=[120,60];this.subgraph=new LGraph;this.subgraph._subgraph_node=this;this.subgraph._is_subgraph=!0;this.subgraph.onGlobalInputAdded=this.onSubgraphNewGlobalInput.bind(this);this.subgraph.onGlobalInputRenamed=this.onSubgraphRenamedGlobalInput.bind(this);this.subgraph.onGlobalInputTypeChanged=this.onSubgraphTypeChangeGlobalInput.bind(this);this.subgraph.onGlobalOutputAdded=this.onSubgraphNewGlobalOutput.bind(this);
+this.subgraph.onGlobalOutputRenamed=this.onSubgraphRenamedGlobalOutput.bind(this);this.subgraph.onGlobalOutputTypeChanged=this.onSubgraphTypeChangeGlobalOutput.bind(this);this.bgcolor="#663"}function e(){var a="input_"+(1E3*Math.random()).toFixed();this.addOutput(a,null);this.properties={name:a,type:null};var b=this;Object.defineProperty(this.properties,"name",{get:function(){return a},set:function(c){if(""!=c){var d=b.getOutputInfo(0);d.name!=c&&(d.name=c,b.graph&&b.graph.renameGlobalInput(a,c),
+a=c)}},enumerable:!0});Object.defineProperty(this.properties,"type",{get:function(){return b.outputs[0].type},set:function(c){b.outputs[0].type=c;b.graph&&b.graph.changeGlobalInputType(a,b.outputs[0].type)},enumerable:!0})}function t(){var a="output_"+(1E3*Math.random()).toFixed();this.addInput(a,null);this.properties={name:a,type:null};var b=this;Object.defineProperty(this.properties,"name",{get:function(){return a},set:function(c){if(""!=c){var d=b.getInputInfo(0);d.name!=c&&(d.name=c,b.graph&&
+b.graph.renameGlobalOutput(a,c),a=c)}},enumerable:!0});Object.defineProperty(this.properties,"type",{get:function(){return b.inputs[0].type},set:function(c){b.inputs[0].type=c;b.graph&&b.graph.changeGlobalInputType(a,b.inputs[0].type)},enumerable:!0})}function p(){this.addOutput("value","number");this.addProperty("value",1);this.editable={property:"value",type:"number"}}function u(){this.size=[60,20];this.addInput("value",0,{label:""});this.addOutput("value",0,{label:""});this.addProperty("value",
+"")}function v(){this.addInput("in",0);this.addOutput("out",0);this.size=[40,20]}function d(){this.mode=l.ON_EVENT;this.size=[60,20];this.addProperty("msg","");this.addInput("log",l.EVENT);this.addInput("msg",0)}function s(){this.size=[60,20];this.addProperty("onExecute","");this.addInput("in","");this.addInput("in2","");this.addOutput("out","");this.addOutput("out2","");this._func=null}var l=q.LiteGraph;g.title="Time";g.desc="Time";g.prototype.onExecute=function(){this.setOutputData(0,1E3*this.graph.globaltime);
+this.setOutputData(1,this.graph.globaltime)};l.registerNodeType("basic/time",g);f.title="Subgraph";f.desc="Graph inside a node";f.prototype.onSubgraphNewGlobalInput=function(a,b){this.addInput(a,b)};f.prototype.onSubgraphRenamedGlobalInput=function(a,b){var c=this.findInputSlot(a);-1!=c&&(this.getInputInfo(c).name=b)};f.prototype.onSubgraphTypeChangeGlobalInput=function(a,b){var c=this.findInputSlot(a);-1!=c&&(this.getInputInfo(c).type=b)};f.prototype.onSubgraphNewGlobalOutput=function(a,b){this.addOutput(a,
+b)};f.prototype.onSubgraphRenamedGlobalOutput=function(a,b){var c=this.findOutputSlot(a);-1!=c&&(this.getOutputInfo(c).name=b)};f.prototype.onSubgraphTypeChangeGlobalOutput=function(a,b){var c=this.findOutputSlot(a);-1!=c&&(this.getOutputInfo(c).type=b)};f.prototype.getExtraMenuOptions=function(a){var b=this;return[{content:"Open",callback:function(){a.openSubgraph(b.subgraph)}}]};f.prototype.onExecute=function(){if(this.inputs)for(var a=0;a<this.inputs.length;a++){var b=this.inputs[a],c=this.getInputData(a);
+this.subgraph.setGlobalInputData(b.name,c)}this.subgraph.runStep();if(this.outputs)for(a=0;a<this.outputs.length;a++)c=this.subgraph.getGlobalOutputData(this.outputs[a].name),this.setOutputData(a,c)};f.prototype.configure=function(a){LGraphNode.prototype.configure.call(this,a)};f.prototype.serialize=function(){var a=LGraphNode.prototype.serialize.call(this);a.subgraph=this.subgraph.serialize();return a};f.prototype.clone=function(){var a=l.createNode(this.type),b=this.serialize();delete b.id;delete b.inputs;
+delete b.outputs;a.configure(b);return a};l.registerNodeType("graph/subgraph",f);e.title="Input";e.desc="Input of the graph";e.prototype.onAdded=function(){this.graph.addGlobalInput(this.properties.name,this.properties.type)};e.prototype.onExecute=function(){var a=this.graph.global_inputs[this.properties.name];a&&this.setOutputData(0,a.value)};l.registerNodeType("graph/input",e);t.title="Ouput";t.desc="Output of the graph";t.prototype.onAdded=function(){this.graph.addGlobalOutput(this.properties.name,
+this.properties.type)};t.prototype.onExecute=function(){this.graph.setGlobalOutputData(this.properties.name,this.getInputData(0))};l.registerNodeType("graph/output",t);p.title="Const";p.desc="Constant value";p.prototype.setValue=function(a){"string"==typeof a&&(a=parseFloat(a));this.properties.value=a;this.setDirtyCanvas(!0)};p.prototype.onExecute=function(){this.setOutputData(0,parseFloat(this.properties.value))};p.prototype.onDrawBackground=function(a){this.outputs[0].label=this.properties.value.toFixed(3)};
+p.prototype.onWidget=function(a,b){"value"==b.name&&this.setValue(b.value)};l.registerNodeType("basic/const",p);u.title="Watch";u.desc="Show value of input";u.prototype.onExecute=function(){this.properties.value=this.getInputData(0);this.setOutputData(0,this.properties.value)};u.prototype.onDrawBackground=function(a){this.inputs[0]&&null!=this.properties.value&&(this.properties.value.constructor===Number?this.inputs[0].label=this.properties.value.toFixed(3):((a=this.properties.value)&&a.length&&(a=
+Array.prototype.slice.call(a).join(",")),this.inputs[0].label=a))};l.registerNodeType("basic/watch",u);v.title="Pass";v.desc="Allows to connect different types";v.prototype.onExecute=function(){this.setOutputData(0,this.getInputData(0))};l.registerNodeType("basic/pass",v);d.title="Console";d.desc="Show value inside the console";d.prototype.onAction=function(a,b){"log"==a?console.log(b):"warn"==a?console.warn(b):"error"==a&&console.error(b)};d.prototype.onExecute=function(){var a=this.getInputData(1);
+null!==a&&(this.properties.msg=a);console.log(a)};d.prototype.onGetInputs=function(){return[["log",l.ACTION],["warn",l.ACTION],["error",l.ACTION]]};l.registerNodeType("basic/console",d);s.title="Script";s.desc="executes a code";s.widgets_info={onExecute:{type:"code"}};s.prototype.onPropertyChanged=function(a,b){if("onExecute"==a&&l.allow_scripts){this._func=null;try{this._func=new Function(b)}catch(c){console.error("Error parsing script"),console.error(c)}}};s.prototype.onExecute=function(){if(this._func)try{this._func.call(this)}catch(a){console.error("Error in script"),
+console.error(a)}};l.registerNodeType("basic/script",s)})(this);
+(function(q){function g(){this.size=[60,20];this.addInput("event",t.ACTION)}function f(){this.size=[60,20];this.addInput("event",t.ACTION);this.addOutput("event",t.EVENT);this.properties={equal_to:"",has_property:"",property_equal_to:""}}function e(){this.size=[60,20];this.addProperty("time",1E3);this.addInput("event",t.ACTION);this.addOutput("on_time",t.EVENT);this._pending=[]}var t=q.LiteGraph;g.title="Log Event";g.desc="Log event in console";g.prototype.onAction=function(e,f){console.log(e,f)};
+t.registerNodeType("events/log",g);f.title="Filter Event";f.desc="Blocks events that do not match the filter";f.prototype.onAction=function(e,f){if(null!=f&&(!this.properties.equal_to||this.properties.equal_to==f)){if(this.properties.has_property){var g=f[this.properties.has_property];if(null==g||this.properties.property_equal_to&&this.properties.property_equal_to!=g)return}this.triggerSlot(0,f)}};t.registerNodeType("events/filter",f);e.title="Delay";e.desc="Delays one event";e.prototype.onAction=
+function(e,f){this._pending.push([this.properties.time,f])};e.prototype.onExecute=function(){for(var e=1E3*this.graph.elapsed_time,f=0;f<this._pending.length;++f){var g=this._pending[f];g[0]-=e;0<g[0]||(this._pending.splice(f,1),--f,this.trigger(null,g[1]))}};e.prototype.onGetInputs=function(){return[["event",t.ACTION]]};t.registerNodeType("events/delay",e)})(this);
+(function(q){function g(){this.addOutput("clicked",v.EVENT);this.addProperty("text","");this.addProperty("font","40px Arial");this.addProperty("message","");this.size=[64,84]}function f(){this.addOutput("","number");this.size=[64,84];this.properties={min:0,max:1,value:0.5,wcolor:"#7AF",size:50}}function e(){this.size=[160,26];this.addOutput("","number");this.properties={wcolor:"#7AF",min:0,max:1,value:0.5}}function t(){this.size=[160,26];this.addInput("","number");this.properties={min:0,max:1,value:0,
+wcolor:"#AAF"}}function p(){this.addInputs("",0);this.properties={value:"...",font:"Arial",fontsize:18,color:"#AAA",align:"left",glowSize:0,decimals:1}}function u(){this.size=[200,100];this.properties={borderColor:"#ffffff",bgcolorTop:"#f0f0f0",bgcolorBottom:"#e0e0e0",shadowSize:2,borderRadius:3}}var v=q.LiteGraph;g.title="Button";g.desc="Triggers an event";g.prototype.onDrawForeground=function(d){!this.flags.collapsed&&(d.fillStyle="black",d.fillRect(1,1,this.size[0]-3,this.size[1]-3),d.fillStyle=
+"#AAF",d.fillRect(0,0,this.size[0]-3,this.size[1]-3),d.fillStyle=this.clicked?"white":this.mouseOver?"#668":"#334",d.fillRect(1,1,this.size[0]-4,this.size[1]-4),this.properties.text||0===this.properties.text)&&(d.textAlign="center",d.fillStyle=this.clicked?"black":"white",this.properties.font&&(d.font=this.properties.font),d.fillText(this.properties.text,0.5*this.size[0],0.85*this.size[1]),d.textAlign="left")};g.prototype.onMouseDown=function(d,e){if(1<e[0]&&1<e[1]&&e[0]<this.size[0]-2&&e[1]<this.size[1]-
+2)return this.clicked=!0,this.trigger("clicked",this.properties.message),!0};g.prototype.onMouseUp=function(d){this.clicked=!1};v.registerNodeType("widget/button",g);f.title="Knob";f.desc="Circular controller";f.widgets=[{name:"increase",text:"+",type:"minibutton"},{name:"decrease",text:"-",type:"minibutton"}];f.prototype.onAdded=function(){this.value=(this.properties.value-this.properties.min)/(this.properties.max-this.properties.min);this.imgbg=this.loadImage("imgs/knob_bg.png");this.imgfg=this.loadImage("imgs/knob_fg.png")};
+f.prototype.onDrawImageKnob=function(d){if(this.imgfg&&this.imgfg.width){var e=0.5*this.imgbg.width,l=this.size[0]/this.imgfg.width;d.save();d.translate(0,20);d.scale(l,l);d.drawImage(this.imgbg,0,0);d.translate(e,e);d.rotate(2*this.value*Math.PI*6/8+10*Math.PI/8);d.translate(-e,-e);d.drawImage(this.imgfg,0,0);d.restore();this.title&&(d.font="bold 16px Criticized,Tahoma",d.fillStyle="rgba(100,100,100,0.8)",d.textAlign="center",d.fillText(this.title.toUpperCase(),0.5*this.size[0],18),d.textAlign="left")}};
+f.prototype.onDrawVectorKnob=function(d){if(this.imgfg&&this.imgfg.width){d.lineWidth=1;d.strokeStyle=this.mouseOver?"#FFF":"#AAA";d.fillStyle="#000";d.beginPath();d.arc(0.5*this.size[0],0.5*this.size[1]+10,0.5*this.properties.size,0,2*Math.PI,!0);d.stroke();0<this.value&&(d.strokeStyle=this.properties.wcolor,d.lineWidth=0.2*this.properties.size,d.beginPath(),d.arc(0.5*this.size[0],0.5*this.size[1]+10,0.35*this.properties.size,-0.5*Math.PI+2*Math.PI*this.value,-0.5*Math.PI,!0),d.stroke(),d.lineWidth=
+1);d.font=0.2*this.properties.size+"px Arial";d.fillStyle="#AAA";d.textAlign="center";var e=this.properties.value;"number"==typeof e&&(e=e.toFixed(2));d.fillText(e,0.5*this.size[0],0.65*this.size[1]);d.textAlign="left"}};f.prototype.onDrawForeground=function(d){this.onDrawImageKnob(d)};f.prototype.onExecute=function(){this.setOutputData(0,this.properties.value);this.boxcolor=v.colorToString([this.value,this.value,this.value])};f.prototype.onMouseDown=function(d){if(this.imgfg&&this.imgfg.width){this.center=
+[0.5*this.size[0],0.5*this.size[1]+20];this.radius=0.5*this.size[0];if(20>d.canvasY-this.pos[1]||v.distance([d.canvasX,d.canvasY],[this.pos[0]+this.center[0],this.pos[1]+this.center[1]])>this.radius)return!1;this.oldmouse=[d.canvasX-this.pos[0],d.canvasY-this.pos[1]];this.captureInput(!0);return!0}};f.prototype.onMouseMove=function(d){if(this.oldmouse){d=[d.canvasX-this.pos[0],d.canvasY-this.pos[1]];var e=this.value,e=e-0.01*(d[1]-this.oldmouse[1]);1<e?e=1:0>e&&(e=0);this.value=e;this.properties.value=
+this.properties.min+(this.properties.max-this.properties.min)*this.value;this.oldmouse=d;this.setDirtyCanvas(!0)}};f.prototype.onMouseUp=function(d){this.oldmouse&&(this.oldmouse=null,this.captureInput(!1))};f.prototype.onMouseLeave=function(d){};f.prototype.onWidget=function(d,e){if("increase"==e.name)this.onPropertyChanged("size",this.properties.size+10);else if("decrease"==e.name)this.onPropertyChanged("size",this.properties.size-10)};f.prototype.onPropertyChanged=function(d,e){if("wcolor"==d)this.properties[d]=
+e;else if("size"==d)e=parseInt(e),this.properties[d]=e,this.size=[e+4,e+24],this.setDirtyCanvas(!0,!0);else if("min"==d||"max"==d||"value"==d)this.properties[d]=parseFloat(e);else return!1;return!0};v.registerNodeType("widget/knob",f);e.title="H.Slider";e.desc="Linear slider controller";e.prototype.onAdded=function(){this.value=0.5;this.imgfg=this.loadImage("imgs/slider_fg.png")};e.prototype.onDrawVectorial=function(d){this.imgfg&&this.imgfg.width&&(d.lineWidth=1,d.strokeStyle=this.mouseOver?"#FFF":
+"#AAA",d.fillStyle="#000",d.beginPath(),d.rect(2,0,this.size[0]-4,20),d.stroke(),d.fillStyle=this.properties.wcolor,d.beginPath(),d.rect(2+(this.size[0]-4-20)*this.value,0,20,20),d.fill())};e.prototype.onDrawImage=function(d){this.imgfg&&this.imgfg.width&&(d.lineWidth=1,d.fillStyle="#000",d.fillRect(2,9,this.size[0]-4,2),d.strokeStyle="#333",d.beginPath(),d.moveTo(2,9),d.lineTo(this.size[0]-4,9),d.stroke(),d.strokeStyle="#AAA",d.beginPath(),d.moveTo(2,11),d.lineTo(this.size[0]-4,11),d.stroke(),d.drawImage(this.imgfg,
+2+(this.size[0]-4)*this.value-0.5*this.imgfg.width,0.5*-this.imgfg.height+10))};e.prototype.onDrawForeground=function(d){this.onDrawImage(d)};e.prototype.onExecute=function(){this.properties.value=this.properties.min+(this.properties.max-this.properties.min)*this.value;this.setOutputData(0,this.properties.value);this.boxcolor=v.colorToString([this.value,this.value,this.value])};e.prototype.onMouseDown=function(d){if(0>d.canvasY-this.pos[1])return!1;this.oldmouse=[d.canvasX-this.pos[0],d.canvasY-this.pos[1]];
+this.captureInput(!0);return!0};e.prototype.onMouseMove=function(d){if(this.oldmouse){d=[d.canvasX-this.pos[0],d.canvasY-this.pos[1]];var e=this.value,e=e+(d[0]-this.oldmouse[0])/this.size[0];1<e?e=1:0>e&&(e=0);this.value=e;this.oldmouse=d;this.setDirtyCanvas(!0)}};e.prototype.onMouseUp=function(d){this.oldmouse=null;this.captureInput(!1)};e.prototype.onMouseLeave=function(d){};e.prototype.onPropertyChanged=function(d,e){if("wcolor"==d)this.properties[d]=e;else return!1;return!0};v.registerNodeType("widget/hslider",
+e);t.title="Progress";t.desc="Shows data in linear progress";t.prototype.onExecute=function(){var d=this.getInputData(0);void 0!=d&&(this.properties.value=d)};t.prototype.onDrawForeground=function(d){d.lineWidth=1;d.fillStyle=this.properties.wcolor;var e=(this.properties.value-this.properties.min)/(this.properties.max-this.properties.min),e=Math.min(1,e),e=Math.max(0,e);d.fillRect(2,2,(this.size[0]-4)*e,this.size[1]-4)};v.registerNodeType("widget/progress",t);p.title="Text";p.desc="Shows the input value";
+p.widgets=[{name:"resize",text:"Resize box",type:"button"},{name:"led_text",text:"LED",type:"minibutton"},{name:"normal_text",text:"Normal",type:"minibutton"}];p.prototype.onDrawForeground=function(d){d.fillStyle=this.properties.color;var e=this.properties.value;this.properties.glowSize?(d.shadowColor=this.properties.color,d.shadowOffsetX=0,d.shadowOffsetY=0,d.shadowBlur=this.properties.glowSize):d.shadowColor="transparent";var l=this.properties.fontsize;d.textAlign=this.properties.align;d.font=l.toString()+
+"px "+this.properties.font;this.str="number"==typeof e?e.toFixed(this.properties.decimals):e;if("string"==typeof this.str){var e=this.str.split("\\n"),a;for(a in e)d.fillText(e[a],"left"==this.properties.align?15:this.size[0]-15,-0.15*l+l*(parseInt(a)+1))}d.shadowColor="transparent";this.last_ctx=d;d.textAlign="left"};p.prototype.onExecute=function(){var d=this.getInputData(0);null!=d&&(this.properties.value=d)};p.prototype.resize=function(){if(this.last_ctx){var d=this.str.split("\\n");this.last_ctx.font=
+this.properties.fontsize+"px "+this.properties.font;var e=0,l;for(l in d){var a=this.last_ctx.measureText(d[l]).width;e<a&&(e=a)}this.size[0]=e+20;this.size[1]=4+d.length*this.properties.fontsize;this.setDirtyCanvas(!0)}};p.prototype.onWidget=function(d,e){"resize"==e.name?this.resize():"led_text"==e.name?(this.properties.font="Digital",this.properties.glowSize=4,this.setDirtyCanvas(!0)):"normal_text"==e.name&&(this.properties.font="Arial",this.setDirtyCanvas(!0))};p.prototype.onPropertyChanged=function(d,
+e){this.properties[d]=e;this.str="number"==typeof e?e.toFixed(3):e;return!0};v.registerNodeType("widget/text",p);u.title="Panel";u.desc="Non interactive panel";u.widgets=[{name:"update",text:"Update",type:"button"}];u.prototype.createGradient=function(d){""==this.properties.bgcolorTop||""==this.properties.bgcolorBottom?this.lineargradient=0:(this.lineargradient=d.createLinearGradient(0,0,0,this.size[1]),this.lineargradient.addColorStop(0,this.properties.bgcolorTop),this.lineargradient.addColorStop(1,
+this.properties.bgcolorBottom))};u.prototype.onDrawForeground=function(d){null==this.lineargradient&&this.createGradient(d);this.lineargradient&&(d.lineWidth=1,d.strokeStyle=this.properties.borderColor,d.fillStyle=this.lineargradient,this.properties.shadowSize?(d.shadowColor="#000",d.shadowOffsetX=0,d.shadowOffsetY=0,d.shadowBlur=this.properties.shadowSize):d.shadowColor="transparent",d.roundRect(0,0,this.size[0]-1,this.size[1]-1,this.properties.shadowSize),d.fill(),d.shadowColor="transparent",d.stroke())};
+u.prototype.onWidget=function(d,e){"update"==e.name&&(this.lineargradient=null,this.setDirtyCanvas(!0))};v.registerNodeType("widget/panel",u)})(this);
+(function(q){function g(){this.addOutput("left_x_axis","number");this.addOutput("left_y_axis","number");this.addOutput("button_pressed",f.EVENT);this.properties={gamepad_index:0,threshold:0.1};this._left_axis=new Float32Array(2);this._right_axis=new Float32Array(2);this._triggers=new Float32Array(2);this._previous_buttons=new Uint8Array(17);this._current_buttons=new Uint8Array(17)}var f=q.LiteGraph;g.title="Gamepad";g.desc="gets the input of the gamepad";g.zero=new Float32Array(2);g.buttons="a b x y lb rb lt rt back start ls rs home".split(" ");
+g.prototype.onExecute=function(){var e=this.getGamepad(),f=this.properties.threshold||0;e&&(this._left_axis[0]=Math.abs(e.xbox.axes.lx)>f?e.xbox.axes.lx:0,this._left_axis[1]=Math.abs(e.xbox.axes.ly)>f?e.xbox.axes.ly:0,this._right_axis[0]=Math.abs(e.xbox.axes.rx)>f?e.xbox.axes.rx:0,this._right_axis[1]=Math.abs(e.xbox.axes.ry)>f?e.xbox.axes.ry:0,this._triggers[0]=Math.abs(e.xbox.axes.ltrigger)>f?e.xbox.axes.ltrigger:0,this._triggers[1]=Math.abs(e.xbox.axes.rtrigger)>f?e.xbox.axes.rtrigger:0);if(this.outputs)for(f=
+0;f<this.outputs.length;f++){var p=this.outputs[f];if(p.links&&p.links.length){var u=null;if(e)switch(p.name){case "left_axis":u=this._left_axis;break;case "right_axis":u=this._right_axis;break;case "left_x_axis":u=this._left_axis[0];break;case "left_y_axis":u=this._left_axis[1];break;case "right_x_axis":u=this._right_axis[0];break;case "right_y_axis":u=this._right_axis[1];break;case "trigger_left":u=this._triggers[0];break;case "trigger_right":u=this._triggers[1];break;case "a_button":u=e.xbox.buttons.a?
+1:0;break;case "b_button":u=e.xbox.buttons.b?1:0;break;case "x_button":u=e.xbox.buttons.x?1:0;break;case "y_button":u=e.xbox.buttons.y?1:0;break;case "lb_button":u=e.xbox.buttons.lb?1:0;break;case "rb_button":u=e.xbox.buttons.rb?1:0;break;case "ls_button":u=e.xbox.buttons.ls?1:0;break;case "rs_button":u=e.xbox.buttons.rs?1:0;break;case "start_button":u=e.xbox.buttons.start?1:0;break;case "back_button":u=e.xbox.buttons.back?1:0;break;case "button_pressed":for(p=0;p<this._current_buttons.length;++p)this._current_buttons[p]&&
+!this._previous_buttons[p]&&this.triggerSlot(f,g.buttons[p])}else switch(p.name){case "button_pressed":break;case "left_axis":case "right_axis":u=g.zero;break;default:u=0}this.setOutputData(f,u)}}};g.prototype.getGamepad=function(){var e=navigator.getGamepads||navigator.webkitGetGamepads||navigator.mozGetGamepads;if(!e)return null;var f=e.call(navigator),e=null;this._previous_buttons.set(this._current_buttons);for(e=this.properties.gamepad_index;4>e;e++)if(f[e]){e=f[e];f=this.xbox_mapping;f||(f=this.xbox_mapping=
+{axes:[],buttons:{},hat:""});f.axes.lx=e.axes[0];f.axes.ly=e.axes[1];f.axes.rx=e.axes[2];f.axes.ry=e.axes[3];f.axes.ltrigger=e.buttons[6].value;f.axes.rtrigger=e.buttons[7].value;for(var g=0;g<e.buttons.length;g++)switch(this._current_buttons[g]=e.buttons[g].pressed,g){case 0:f.buttons.a=e.buttons[g].pressed;break;case 1:f.buttons.b=e.buttons[g].pressed;break;case 2:f.buttons.x=e.buttons[g].pressed;break;case 3:f.buttons.y=e.buttons[g].pressed;break;case 4:f.buttons.lb=e.buttons[g].pressed;break;
+case 5:f.buttons.rb=e.buttons[g].pressed;break;case 6:f.buttons.lt=e.buttons[g].pressed;break;case 7:f.buttons.rt=e.buttons[g].pressed;break;case 8:f.buttons.back=e.buttons[g].pressed;break;case 9:f.buttons.start=e.buttons[g].pressed;break;case 10:f.buttons.ls=e.buttons[g].pressed;break;case 11:f.buttons.rs=e.buttons[g].pressed;break;case 12:e.buttons[g].pressed&&(f.hat+="up");break;case 13:e.buttons[g].pressed&&(f.hat+="down");break;case 14:e.buttons[g].pressed&&(f.hat+="left");break;case 15:e.buttons[g].pressed&&
+(f.hat+="right");break;case 16:f.buttons.home=e.buttons[g].pressed}e.xbox=f;return e}};g.prototype.onDrawBackground=function(e){var f=this._left_axis,g=this._right_axis;e.strokeStyle="#88A";e.strokeRect(0.5*(f[0]+1)*this.size[0]-4,0.5*(f[1]+1)*this.size[1]-4,8,8);e.strokeStyle="#8A8";e.strokeRect(0.5*(g[0]+1)*this.size[0]-4,0.5*(g[1]+1)*this.size[1]-4,8,8);f=this.size[1]/this._current_buttons.length;e.fillStyle="#AEB";for(g=0;g<this._current_buttons.length;++g)this._current_buttons[g]&&e.fillRect(0,
+f*g,6,f)};g.prototype.onGetOutputs=function(){return[["left_axis","vec2"],["right_axis","vec2"],["left_x_axis","number"],["left_y_axis","number"],["right_x_axis","number"],["right_y_axis","number"],["trigger_left","number"],["trigger_right","number"],["a_button","number"],["b_button","number"],["x_button","number"],["y_button","number"],["lb_button","number"],["rb_button","number"],["ls_button","number"],["rs_button","number"],["start","number"],["back","number"],["button_pressed",f.EVENT]]};f.registerNodeType("input/gamepad",
+g)})(this);
+(function(q){function g(){this.addInput("in","*");this.size=[60,20]}function f(){this.addInput("in");this.addOutput("out");this.size=[60,20]}function e(){this.addInput("in","number",{locked:!0});this.addOutput("out","number",{locked:!0});this.addProperty("in",0);this.addProperty("in_min",0);this.addProperty("in_max",1);this.addProperty("out_min",0);this.addProperty("out_max",1)}function t(){this.addOutput("value","number");this.addProperty("min",0);this.addProperty("max",1);this.size=[60,20]}function p(){this.addInput("in",
+"number");this.addOutput("out","number");this.size=[60,20];this.addProperty("min",0);this.addProperty("max",1)}function u(){this.properties={f:0.5};this.addInput("A","number");this.addInput("B","number");this.addOutput("out","number")}function v(){this.addInput("in","number");this.addOutput("out","number");this.size=[60,20]}function d(){this.addInput("in","number");this.addOutput("out","number");this.size=[60,20]}function s(){this.addInput("in","number");this.addOutput("out","number");this.size=[60,
+20]}function l(){this.addInput("in","number");this.addOutput("out","number");this.size=[60,20];this.properties={A:0,B:1}}function a(){this.addInput("in","number",{label:""});this.addOutput("out","number",{label:""});this.size=[60,20];this.addProperty("factor",1)}function b(){this.addInput("in","number");this.addOutput("out","number");this.size=[60,20];this.addProperty("samples",10);this._values=new Float32Array(10);this._current=0}function c(){this.addInput("A","number");this.addInput("B","number");
+this.addOutput("=","number");this.addProperty("A",1);this.addProperty("B",1);this.addProperty("OP","+","string",{values:c.values})}function h(){this.addInput("A","number");this.addInput("B","number");this.addOutput("A==B","boolean");this.addOutput("A!=B","boolean");this.addProperty("A",0);this.addProperty("B",0)}function k(){this.addInput("A","number");this.addInput("B","number");this.addOutput("out","boolean");this.addProperty("A",1);this.addProperty("B",1);this.addProperty("OP",">","string",{values:k.values});
+this.size=[60,40]}function r(){this.addInput("inc","number");this.addOutput("total","number");this.addProperty("increment",1);this.addProperty("value",0)}function n(){this.addInput("v","number");this.addOutput("sin","number");this.addProperty("amplitude",1);this.addProperty("offset",0);this.bgImageUrl="nodes/imgs/icon-sin.png"}function A(){this.addInput("vec2","vec2");this.addOutput("x","number");this.addOutput("y","number")}function z(){this.addInputs([["x","number"],["y","number"]]);this.addOutput("vec2",
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-"Quat Slerp",r.desc="quaternion spherical interpolation",r.prototype.onExecute=function(){var a=this.getInputData(0);if(null!=a){var b=this.getInputData(1);if(null!=b){var c=this.properties.factor;null!=this.getInputData(2)&&(c=this.getInputData(2));a=quat.slerp(this._value,a,b,c);this.setOutputData(0,a)}}},w.registerNodeType("math3d/quat-slerp",r))})(this);
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-d.globalAlpha=1;this.setOutputData(0,this.canvas);this.setDirtyCanvas(!0)};f.registerNodeType("graphics/imagefade",q);l.title="Crop";l.desc="Crop Image";l.prototype.onAdded=function(){this.createCanvas()};l.prototype.createCanvas=function(){this.canvas=document.createElement("canvas");this.canvas.width=this.properties.width;this.canvas.height=this.properties.height};l.prototype.onExecute=function(){var d=this.getInputData(0);d&&(d.width?(this.canvas.getContext("2d").drawImage(d,-this.properties.x,
--this.properties.y,d.width*this.properties.scale,d.height*this.properties.scale),this.setOutputData(0,this.canvas)):this.setOutputData(0,null))};l.prototype.onDrawBackground=function(d){this.flags.collapsed||this.canvas&&d.drawImage(this.canvas,0,0,this.canvas.width,this.canvas.height,0,0,this.size[0],this.size[1])};l.prototype.onPropertyChanged=function(d,a){this.properties[d]=a;"scale"==d?(this.properties[d]=parseFloat(a),0==this.properties[d]&&(this.trace("Error in scale"),this.properties[d]=1)):
-this.properties[d]=parseInt(a);this.createCanvas();return!0};f.registerNodeType("graphics/cropImage",l);t.title="Video";t.desc="Video playback";t.widgets=[{name:"play",text:"PLAY",type:"minibutton"},{name:"stop",text:"STOP",type:"minibutton"},{name:"demo",text:"Demo video",type:"button"},{name:"mute",text:"Mute video",type:"button"}];t.prototype.onExecute=function(){if(this.properties.url&&(this.properties.url!=this._video_url&&this.loadVideo(this.properties.url),this._video&&0!=this._video.width)){var d=
-this.getInputData(0);d&&0<=d&&1>=d&&(this._video.currentTime=d*this._video.duration,this._video.pause());this._video.dirty=!0;this.setOutputData(0,this._video);this.setOutputData(1,this._video.currentTime);this.setOutputData(2,this._video.duration);this.setDirtyCanvas(!0)}};t.prototype.onStart=function(){this.play()};t.prototype.onStop=function(){this.stop()};t.prototype.loadVideo=function(d){this._video_url=d;this._video=document.createElement("video");this._video.src=d;this._video.type="type=video/mp4";
-this._video.muted=!0;this._video.autoplay=!0;var a=this;this._video.addEventListener("loadedmetadata",function(b){a.trace("Duration: "+this.duration+" seconds");a.trace("Size: "+this.videoWidth+","+this.videoHeight);a.setDirtyCanvas(!0);this.width=this.videoWidth;this.height=this.videoHeight});this._video.addEventListener("progress",function(a){});this._video.addEventListener("error",function(b){console.log("Error loading video: "+this.src);a.trace("Error loading video: "+this.src);if(this.error)switch(this.error.code){case this.error.MEDIA_ERR_ABORTED:a.trace("You stopped the video.");
-break;case this.error.MEDIA_ERR_NETWORK:a.trace("Network error - please try again later.");break;case this.error.MEDIA_ERR_DECODE:a.trace("Video is broken..");break;case this.error.MEDIA_ERR_SRC_NOT_SUPPORTED:a.trace("Sorry, your browser can't play this video.")}});this._video.addEventListener("ended",function(b){a.trace("Ended.");this.play()})};t.prototype.onPropertyChanged=function(d,a){this.properties[d]=a;"url"==d&&""!=a&&this.loadVideo(a);return!0};t.prototype.play=function(){this._video&&this._video.play()};
-t.prototype.playPause=function(){this._video&&(this._video.paused?this.play():this.pause())};t.prototype.stop=function(){this._video&&(this._video.pause(),this._video.currentTime=0)};t.prototype.pause=function(){this._video&&(this.trace("Video paused"),this._video.pause())};t.prototype.onWidget=function(d,a){};f.registerNodeType("graphics/video",t);u.title="Webcam";u.desc="Webcam image";u.prototype.openStream=function(){function d(b){console.log("Webcam rejected",b);a._webcam_stream=!1;a.box_color=
-"red"}navigator.getUserMedia=navigator.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia||navigator.msGetUserMedia;window.URL=window.URL||window.webkitURL;if(navigator.getUserMedia){this._waiting_confirmation=!0;navigator.getUserMedia({video:!0},this.streamReady.bind(this),d);var a=this}};u.prototype.onRemoved=function(){this._webcam_stream&&(this._webcam_stream.stop(),this._video=this._webcam_stream=null)};u.prototype.streamReady=function(d){this._webcam_stream=d;var a=this._video;
-a||(a=document.createElement("video"),a.autoplay=!0,a.src=window.URL.createObjectURL(d),this._video=a,a.onloadedmetadata=function(a){console.log(a)})};u.prototype.onExecute=function(){null!=this._webcam_stream||this._waiting_confirmation||this.openStream();this._video&&this._video.videoWidth&&(this._video.width=this._video.videoWidth,this._video.height=this._video.videoHeight,this.setOutputData(0,this._video))};u.prototype.getExtraMenuOptions=function(d){var a=this;return[{content:a.properties.show?
-"Hide Frame":"Show Frame",callback:function(){a.properties.show=!a.properties.show}}]};u.prototype.onDrawBackground=function(d){this.flags.collapsed||20>=this.size[1]||!this.properties.show||!this._video||(d.save(),d.drawImage(this._video,0,0,this.size[0],this.size[1]),d.restore())};f.registerNodeType("graphics/webcam",u)})(this);
-(function(r){var e=r.LiteGraph;r.LGraphTexture=null;if("undefined"!=typeof GL){var g=function(){this.addOutput("Texture","Texture");this.properties={name:"",filter:!0};this.size=[g.image_preview_size,g.image_preview_size]};r.LGraphTexture=g;g.title="Texture";g.desc="Texture";g.widgets_info={name:{widget:"texture"},filter:{widget:"checkbox"}};g.loadTextureCallback=null;g.image_preview_size=256;g.PASS_THROUGH=1;g.COPY=2;g.LOW=3;g.HIGH=4;g.REUSE=5;g.DEFAULT=2;g.MODE_VALUES={"pass through":g.PASS_THROUGH,
-copy:g.COPY,low:g.LOW,high:g.HIGH,reuse:g.REUSE,"default":g.DEFAULT};g.getTexturesContainer=function(){return gl.textures};g.loadTexture=function(a,b){b=b||{};var c=a;"http://"==c.substr(0,7)&&e.proxy&&(c=e.proxy+c.substr(7));return g.getTexturesContainer()[a]=GL.Texture.fromURL(c,b)};g.getTexture=function(a){var b=this.getTexturesContainer();if(!b)throw"Cannot load texture, container of textures not found";b=b[a];return!b&&a&&":"!=a[0]?this.loadTexture(a):b};g.getTargetTexture=function(a,b,c){if(!a)throw"LGraphTexture.getTargetTexture expects a reference texture";
-var d=null;switch(c){case g.LOW:d=gl.UNSIGNED_BYTE;break;case g.HIGH:d=gl.HIGH_PRECISION_FORMAT;break;case g.REUSE:return a;default:d=a?a.type:gl.UNSIGNED_BYTE}b&&b.width==a.width&&b.height==a.height&&b.type==d||(b=new GL.Texture(a.width,a.height,{type:d,format:gl.RGBA,filter:gl.LINEAR}));return b};g.getNoiseTexture=function(){if(this._noise_texture)return this._noise_texture;for(var a=new Uint8Array(1048576),b=0;1048576>b;++b)a[b]=255*Math.random();return this._noise_texture=a=GL.Texture.fromMemory(512,
-512,a,{format:gl.RGBA,wrap:gl.REPEAT,filter:gl.NEAREST})};g.prototype.onDropFile=function(a,b,c){if(a){var d=null;"string"==typeof a?d=GL.Texture.fromURL(a):-1!=b.toLowerCase().indexOf(".dds")?d=GL.Texture.fromDDSInMemory(a):(a=new Blob([c]),a=URL.createObjectURL(a),d=GL.Texture.fromURL(a));this._drop_texture=d;this.properties.name=b}else this._drop_texture=null,this.properties.name=""};g.prototype.getExtraMenuOptions=function(a){var b=this;if(this._drop_texture)return[{content:"Clear",callback:function(){b._drop_texture=
-null;b.properties.name=""}}]};g.prototype.onExecute=function(){var a=null;this.isOutputConnected(1)&&(a=this.getInputData(0));!a&&this._drop_texture&&(a=this._drop_texture);!a&&this.properties.name&&(a=g.getTexture(this.properties.name));if(a){this._last_tex=a;!1===this.properties.filter?a.setParameter(gl.TEXTURE_MAG_FILTER,gl.NEAREST):a.setParameter(gl.TEXTURE_MAG_FILTER,gl.LINEAR);this.setOutputData(0,a);for(var b=1;b<this.outputs.length;b++){var c=this.outputs[b];if(c){var d=null;"width"==c.name?
-d=a.width:"height"==c.name?d=a.height:"aspect"==c.name&&(d=a.width/a.height);this.setOutputData(b,d)}}}};g.prototype.onResourceRenamed=function(a,b){this.properties.name==a&&(this.properties.name=b)};g.prototype.onDrawBackground=function(a){if(!(this.flags.collapsed||20>=this.size[1]))if(this._drop_texture&&a.webgl)a.drawImage(this._drop_texture,0,0,this.size[0],this.size[1]);else{if(this._last_preview_tex!=this._last_tex)if(a.webgl)this._canvas=this._last_tex;else{var b=g.generateLowResTexturePreview(this._last_tex);
-if(!b)return;this._last_preview_tex=this._last_tex;this._canvas=cloneCanvas(b)}this._canvas&&(a.save(),a.webgl||(a.translate(0,this.size[1]),a.scale(1,-1)),a.drawImage(this._canvas,0,0,this.size[0],this.size[1]),a.restore())}};g.generateLowResTexturePreview=function(a){if(!a)return null;var b=g.image_preview_size,c=a;if(a.format==gl.DEPTH_COMPONENT)return null;if(a.width>b||a.height>b)c=this._preview_temp_tex,this._preview_temp_tex||(this._preview_temp_tex=c=new GL.Texture(b,b,{minFilter:gl.NEAREST})),
-a.copyTo(c);a=this._preview_canvas;a||(this._preview_canvas=a=createCanvas(b,b));c&&c.toCanvas(a);return a};g.prototype.getResources=function(a){a[this.properties.name]=GL.Texture;return a};g.prototype.onGetInputs=function(){return[["in","Texture"]]};g.prototype.onGetOutputs=function(){return[["width","number"],["height","number"],["aspect","number"]]};e.registerNodeType("texture/texture",g);var d=function(){this.addInput("Texture","Texture");this.properties={flipY:!1};this.size=[g.image_preview_size,
-g.image_preview_size]};d.title="Preview";d.desc="Show a texture in the graph canvas";d.allow_preview=!1;d.prototype.onDrawBackground=function(a){if(!this.flags.collapsed&&(a.webgl||d.allow_preview)){var b=this.getInputData(0);if(b){var c=null,c=!b.handle&&a.webgl?b:g.generateLowResTexturePreview(b);a.save();this.properties.flipY&&(a.translate(0,this.size[1]),a.scale(1,-1));a.drawImage(c,0,0,this.size[0],this.size[1]);a.restore()}}};e.registerNodeType("texture/preview",d);r=function(){this.addInput("Texture",
-"Texture");this.addOutput("","Texture");this.properties={name:""}};r.title="Save";r.desc="Save a texture in the repository";r.prototype.onExecute=function(){var a=this.getInputData(0);a&&(this.properties.name&&(g.storeTexture?g.storeTexture(this.properties.name,a):g.getTexturesContainer()[this.properties.name]=a),this.setOutputData(0,a))};e.registerNodeType("texture/save",r);var q=function(){this.addInput("Texture","Texture");this.addInput("TextureB","Texture");this.addInput("value","number");this.addOutput("Texture",
-"Texture");this.help="<p>pixelcode must be vec3</p>\t\t\t<p>uvcode must be vec2, is optional</p>\t\t\t<p><strong>uv:</strong> tex. coords</p><p><strong>color:</strong> texture</p><p><strong>colorB:</strong> textureB</p><p><strong>time:</strong> scene time</p><p><strong>value:</strong> input value</p>";this.properties={value:1,uvcode:"",pixelcode:"color + colorB * value",precision:g.DEFAULT}};q.widgets_info={uvcode:{widget:"textarea",height:100},pixelcode:{widget:"textarea",height:100},precision:{widget:"combo",
-values:g.MODE_VALUES}};q.title="Operation";q.desc="Texture shader operation";q.prototype.getExtraMenuOptions=function(a){var b=this;return[{content:b.properties.show?"Hide Texture":"Show Texture",callback:function(){b.properties.show=!b.properties.show}}]};q.prototype.onDrawBackground=function(a){this.flags.collapsed||20>=this.size[1]||!this.properties.show||!this._tex||this._tex.gl!=a||(a.save(),a.drawImage(this._tex,0,0,this.size[0],this.size[1]),a.restore())};q.prototype.onExecute=function(){var a=
-this.getInputData(0);if(this.isOutputConnected(0))if(this.properties.precision===g.PASS_THROUGH)this.setOutputData(0,a);else{var b=this.getInputData(1);if(this.properties.uvcode||this.properties.pixelcode){var c=512,d=512;a?(c=a.width,d=a.height):b&&(c=b.width,d=b.height);this._tex=a||this._tex?g.getTargetTexture(a||this._tex,this._tex,this.properties.precision):new GL.Texture(c,d,{type:this.precision===g.LOW?gl.UNSIGNED_BYTE:gl.HIGH_PRECISION_FORMAT,format:gl.RGBA,filter:gl.LINEAR});var e="";this.properties.uvcode&&
-(e="uv = "+this.properties.uvcode,-1!=this.properties.uvcode.indexOf(";")&&(e=this.properties.uvcode));var f="";this.properties.pixelcode&&(f="result = "+this.properties.pixelcode,-1!=this.properties.pixelcode.indexOf(";")&&(f=this.properties.pixelcode));var h=this._shader;if(!h||this._shader_code!=e+"|"+f){try{this._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,q.pixel_shader,{UV_CODE:e,PIXEL_CODE:f}),this.boxcolor="#00FF00"}catch(n){console.log("Error compiling shader: ",n);this.boxcolor="#FF0000";
-return}this.boxcolor="#FF0000";this._shader_code=e+"|"+f;h=this._shader}if(h){this.boxcolor="green";var l=this.getInputData(2);null!=l?this.properties.value=l:l=parseFloat(this.properties.value);var k=this.graph.getTime();this._tex.drawTo(function(){gl.disable(gl.DEPTH_TEST);gl.disable(gl.CULL_FACE);gl.disable(gl.BLEND);a&&a.bind(0);b&&b.bind(1);var e=Mesh.getScreenQuad();h.uniforms({u_texture:0,u_textureB:1,value:l,texSize:[c,d],time:k}).draw(e)});this.setOutputData(0,this._tex)}else this.boxcolor=
-"red"}}};q.pixel_shader="precision highp float;\n\t\t\t\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_textureB;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform vec2 texSize;\n\t\t\tuniform float time;\n\t\t\tuniform float value;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec2 uv = v_coord;\n\t\t\t\tUV_CODE;\n\t\t\t\tvec4 color4 = texture2D(u_texture, uv);\n\t\t\t\tvec3 color = color4.rgb;\n\t\t\t\tvec4 color4B = texture2D(u_textureB, uv);\n\t\t\t\tvec3 colorB = color4B.rgb;\n\t\t\t\tvec3 result = color;\n\t\t\t\tfloat alpha = 1.0;\n\t\t\t\tPIXEL_CODE;\n\t\t\t\tgl_FragColor = vec4(result, alpha);\n\t\t\t}\n\t\t\t";
-e.registerNodeType("texture/operation",q);var l=function(){this.addOutput("Texture","Texture");this.properties={code:"",width:512,height:512};this.properties.code="\nvoid main() {\n  vec2 uv = v_coord;\n  vec3 color = vec3(0.0);\n//your code here\n\ngl_FragColor = vec4(color, 1.0);\n}\n"};l.title="Shader";l.desc="Texture shader";l.widgets_info={code:{type:"code"},precision:{widget:"combo",values:g.MODE_VALUES}};l.prototype.onPropertyChanged=function(a,b){if("code"==a){var c=this.getShader();if(c){var d=
-c.uniformInfo;if(this.inputs)for(var e={},f=0;f<this.inputs.length;++f){var h=this.getInputInfo(f);h&&(d[h.name]&&!e[h.name]?e[h.name]=!0:(this.removeInput(f),f--))}for(f in d)if(h=c.uniformInfo[f],null!==h.loc&&"time"!=f){d="number";if(this._shader.samplers[f])d="texture";else switch(h.size){case 1:d="number";break;case 2:d="vec2";break;case 3:d="vec3";break;case 4:d="vec4";break;case 9:d="mat3";break;case 16:d="mat4";break;default:continue}h=this.findInputSlot(f);-1==h?this.addInput(f,d):(e=this.getInputInfo(h),
-e)?e.type!=d&&(this.removeInput(h,d),this.addInput(f,d)):this.addInput(f,d)}}}};l.prototype.getShader=function(){if(this._shader&&this._shader_code==this.properties.code)return this._shader;this._shader_code=this.properties.code;if(this._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,l.pixel_shader+this.properties.code))this.boxcolor="green";else return this.boxcolor="red",null;return this._shader};l.prototype.onExecute=function(){if(this.isOutputConnected(0)){var a=this.getShader();if(a){for(var b=
+function(){return[["sin","number"],["cos","number"],["tan","number"],["asin","number"],["acos","number"],["atan","number"]]};x.registerNodeType("math/trigonometry",n);if(void 0!=typeof math){var C=function(){this.addInputs("x","number");this.addInputs("y","number");this.addOutputs("","number");this.properties={x:1,y:1,formula:"x+y"}};C.title="Formula";C.desc="Compute safe formula";C.prototype.onExecute=function(){var a=this.getInputData(0),b=this.getInputData(1);null!=a?this.properties.x=a:a=this.properties.x;
+null!=b?this.properties.y=b:b=this.properties.y;a=math.eval(this.properties.formula,{x:a,y:b,T:this.graph.globaltime});this.setOutputData(0,a)};C.prototype.onDrawBackground=function(){this.outputs[0].label=this.properties.formula};C.prototype.onGetOutputs=function(){return[["A-B","number"],["A*B","number"],["A/B","number"]]};x.registerNodeType("math/formula",C)}A.title="Vec2->XY";A.desc="vector 2 to components";A.prototype.onExecute=function(){var a=this.getInputData(0);null!=a&&(this.setOutputData(0,
+a[0]),this.setOutputData(1,a[1]))};x.registerNodeType("math3d/vec2-to-xyz",A);z.title="XY->Vec2";z.desc="components to vector2";z.prototype.onExecute=function(){var a=this.getInputData(0);null==a&&(a=this.properties.x);var b=this.getInputData(1);null==b&&(b=this.properties.y);var c=this._data;c[0]=a;c[1]=b;this.setOutputData(0,c)};x.registerNodeType("math3d/xy-to-vec2",z);B.title="Vec3->XYZ";B.desc="vector 3 to components";B.prototype.onExecute=function(){var a=this.getInputData(0);null!=a&&(this.setOutputData(0,
+a[0]),this.setOutputData(1,a[1]),this.setOutputData(2,a[2]))};x.registerNodeType("math3d/vec3-to-xyz",B);w.title="XYZ->Vec3";w.desc="components to vector3";w.prototype.onExecute=function(){var a=this.getInputData(0);null==a&&(a=this.properties.x);var b=this.getInputData(1);null==b&&(b=this.properties.y);var c=this.getInputData(2);null==c&&(c=this.properties.z);var d=this._data;d[0]=a;d[1]=b;d[2]=c;this.setOutputData(0,d)};x.registerNodeType("math3d/xyz-to-vec3",w);y.title="Vec4->XYZW";y.desc="vector 4 to components";
+y.prototype.onExecute=function(){var a=this.getInputData(0);null!=a&&(this.setOutputData(0,a[0]),this.setOutputData(1,a[1]),this.setOutputData(2,a[2]),this.setOutputData(3,a[3]))};x.registerNodeType("math3d/vec4-to-xyzw",y);D.title="XYZW->Vec4";D.desc="components to vector4";D.prototype.onExecute=function(){var a=this.getInputData(0);null==a&&(a=this.properties.x);var b=this.getInputData(1);null==b&&(b=this.properties.y);var c=this.getInputData(2);null==c&&(c=this.properties.z);var d=this.getInputData(3);
+null==d&&(d=this.properties.w);var e=this._data;e[0]=a;e[1]=b;e[2]=c;e[3]=d;this.setOutputData(0,e)};x.registerNodeType("math3d/xyzw-to-vec4",D);q.glMatrix&&(q=function(){this.addOutput("quat","quat");this.properties={x:0,y:0,z:0,w:1};this._value=quat.create()},q.title="Quaternion",q.desc="quaternion",q.prototype.onExecute=function(){this._value[0]=this.properties.x;this._value[1]=this.properties.y;this._value[2]=this.properties.z;this._value[3]=this.properties.w;this.setOutputData(0,this._value)},
+x.registerNodeType("math3d/quaternion",q),q=function(){this.addInputs([["degrees","number"],["axis","vec3"]]);this.addOutput("quat","quat");this.properties={angle:90,axis:vec3.fromValues(0,1,0)};this._value=quat.create()},q.title="Rotation",q.desc="quaternion rotation",q.prototype.onExecute=function(){var a=this.getInputData(0);null==a&&(a=this.properties.angle);var b=this.getInputData(1);null==b&&(b=this.properties.axis);a=quat.setAxisAngle(this._value,b,0.0174532925*a);this.setOutputData(0,a)},
+x.registerNodeType("math3d/rotation",q),q=function(){this.addInputs([["vec3","vec3"],["quat","quat"]]);this.addOutput("result","vec3");this.properties={vec:[0,0,1]}},q.title="Rot. Vec3",q.desc="rotate a point",q.prototype.onExecute=function(){var a=this.getInputData(0);null==a&&(a=this.properties.vec);var b=this.getInputData(1);null==b?this.setOutputData(a):this.setOutputData(0,vec3.transformQuat(vec3.create(),a,b))},x.registerNodeType("math3d/rotate_vec3",q),q=function(){this.addInputs([["A","quat"],
+["B","quat"]]);this.addOutput("A*B","quat");this._value=quat.create()},q.title="Mult. Quat",q.desc="rotate quaternion",q.prototype.onExecute=function(){var a=this.getInputData(0);if(null!=a){var b=this.getInputData(1);null!=b&&(a=quat.multiply(this._value,a,b),this.setOutputData(0,a))}},x.registerNodeType("math3d/mult-quat",q),q=function(){this.addInputs([["A","quat"],["B","quat"],["factor","number"]]);this.addOutput("slerp","quat");this.addProperty("factor",0.5);this._value=quat.create()},q.title=
+"Quat Slerp",q.desc="quaternion spherical interpolation",q.prototype.onExecute=function(){var a=this.getInputData(0);if(null!=a){var b=this.getInputData(1);if(null!=b){var c=this.properties.factor;null!=this.getInputData(2)&&(c=this.getInputData(2));a=quat.slerp(this._value,a,b,c);this.setOutputData(0,a)}}},x.registerNodeType("math3d/quat-slerp",q))})(this);
+(function(q){function g(){this.addInput("sel","boolean");this.addOutput("value","number");this.properties={A:0,B:1};this.size=[60,20]}q=q.LiteGraph;g.title="Selector";g.desc="outputs A if selector is true, B if selector is false";g.prototype.onExecute=function(){var f=this.getInputData(0);if(void 0!==f){for(var e=1;e<this.inputs.length;e++){var g=this.inputs[e],p=this.getInputData(e);void 0!==p&&(this.properties[g.name]=p)}e=this.properties.A;g=this.properties.B;this.setOutputData(0,f?e:g)}};g.prototype.onGetInputs=
+function(){return[["A",0],["B",0]]};q.registerNodeType("logic/selector",g)})(this);
+(function(q){function g(){this.inputs=[];this.addOutput("frame","image");this.properties={url:""}}function f(){this.addInput("f","number");this.addOutput("Color","color");this.properties={colorA:"#444444",colorB:"#44AAFF",colorC:"#44FFAA",colorD:"#FFFFFF"}}function e(){this.addInput("","image");this.size=[200,200]}function t(){this.addInputs([["img1","image"],["img2","image"],["fade","number"]]);this.addOutput("","image");this.properties={fade:0.5,width:512,height:512}}function p(){this.addInput("",
+"image");this.addOutput("","image");this.properties={width:256,height:256,x:0,y:0,scale:1};this.size=[50,20]}function u(){this.addInput("t","number");this.addOutputs([["frame","image"],["t","number"],["d","number"]]);this.properties={url:""}}function v(){this.addOutput("Webcam","image");this.properties={}}var d=q.LiteGraph;g.title="Image";g.desc="Image loader";g.widgets=[{name:"load",text:"Load",type:"button"}];g.supported_extensions=["jpg","jpeg","png","gif"];g.prototype.onAdded=function(){""!=this.properties.url&&
+null==this.img&&this.loadImage(this.properties.url)};g.prototype.onDrawBackground=function(d){this.img&&5<this.size[0]&&5<this.size[1]&&d.drawImage(this.img,0,0,this.size[0],this.size[1])};g.prototype.onExecute=function(){this.img||(this.boxcolor="#000");this.img&&this.img.width?this.setOutputData(0,this.img):this.setOutputData(0,null);this.img&&this.img.dirty&&(this.img.dirty=!1)};g.prototype.onPropertyChanged=function(d,e){this.properties[d]=e;"url"==d&&""!=e&&this.loadImage(e);return!0};g.prototype.loadImage=
+function(e,l){if(""==e)this.img=null;else{this.img=document.createElement("img");"http://"==e.substr(0,7)&&d.proxy&&(e=d.proxy+e.substr(7));this.img.src=e;this.boxcolor="#F95";var a=this;this.img.onload=function(){l&&l(this);a.trace("Image loaded, size: "+a.img.width+"x"+a.img.height);this.dirty=!0;a.boxcolor="#9F9";a.setDirtyCanvas(!0)}}};g.prototype.onWidget=function(d,e){"load"==e.name&&this.loadImage(this.properties.url)};g.prototype.onDropFile=function(d){var e=this;this._url&&URL.revokeObjectURL(this._url);
+this._url=URL.createObjectURL(d);this.properties.url=this._url;this.loadImage(this._url,function(a){e.size[1]=a.height/a.width*e.size[0]})};d.registerNodeType("graphics/image",g);f.title="Palette";f.desc="Generates a color";f.prototype.onExecute=function(){var d=[];null!=this.properties.colorA&&d.push(hex2num(this.properties.colorA));null!=this.properties.colorB&&d.push(hex2num(this.properties.colorB));null!=this.properties.colorC&&d.push(hex2num(this.properties.colorC));null!=this.properties.colorD&&
+d.push(hex2num(this.properties.colorD));var e=this.getInputData(0);null==e&&(e=0.5);1<e?e=1:0>e&&(e=0);if(0!=d.length){var a=[0,0,0];if(0==e)a=d[0];else if(1==e)a=d[d.length-1];else{var b=(d.length-1)*e,e=d[Math.floor(b)],d=d[Math.floor(b)+1],b=b-Math.floor(b);a[0]=e[0]*(1-b)+d[0]*b;a[1]=e[1]*(1-b)+d[1]*b;a[2]=e[2]*(1-b)+d[2]*b}for(var c in a)a[c]/=255;this.boxcolor=colorToString(a);this.setOutputData(0,a)}};d.registerNodeType("color/palette",f);e.title="Frame";e.desc="Frame viewerew";e.widgets=[{name:"resize",
+text:"Resize box",type:"button"},{name:"view",text:"View Image",type:"button"}];e.prototype.onDrawBackground=function(d){this.frame&&d.drawImage(this.frame,0,0,this.size[0],this.size[1])};e.prototype.onExecute=function(){this.frame=this.getInputData(0);this.setDirtyCanvas(!0)};e.prototype.onWidget=function(d,e){if("resize"==e.name&&this.frame){var a=this.frame.width,b=this.frame.height;a||null==this.frame.videoWidth||(a=this.frame.videoWidth,b=this.frame.videoHeight);a&&b&&(this.size=[a,b]);this.setDirtyCanvas(!0,
+!0)}else"view"==e.name&&this.show()};e.prototype.show=function(){showElement&&this.frame&&showElement(this.frame)};d.registerNodeType("graphics/frame",e);t.title="Image fade";t.desc="Fades between images";t.widgets=[{name:"resizeA",text:"Resize to A",type:"button"},{name:"resizeB",text:"Resize to B",type:"button"}];t.prototype.onAdded=function(){this.createCanvas();var d=this.canvas.getContext("2d");d.fillStyle="#000";d.fillRect(0,0,this.properties.width,this.properties.height)};t.prototype.createCanvas=
+function(){this.canvas=document.createElement("canvas");this.canvas.width=this.properties.width;this.canvas.height=this.properties.height};t.prototype.onExecute=function(){var d=this.canvas.getContext("2d");this.canvas.width=this.canvas.width;var e=this.getInputData(0);null!=e&&d.drawImage(e,0,0,this.canvas.width,this.canvas.height);e=this.getInputData(2);null==e?e=this.properties.fade:this.properties.fade=e;d.globalAlpha=e;e=this.getInputData(1);null!=e&&d.drawImage(e,0,0,this.canvas.width,this.canvas.height);
+d.globalAlpha=1;this.setOutputData(0,this.canvas);this.setDirtyCanvas(!0)};d.registerNodeType("graphics/imagefade",t);p.title="Crop";p.desc="Crop Image";p.prototype.onAdded=function(){this.createCanvas()};p.prototype.createCanvas=function(){this.canvas=document.createElement("canvas");this.canvas.width=this.properties.width;this.canvas.height=this.properties.height};p.prototype.onExecute=function(){var d=this.getInputData(0);d&&(d.width?(this.canvas.getContext("2d").drawImage(d,-this.properties.x,
+-this.properties.y,d.width*this.properties.scale,d.height*this.properties.scale),this.setOutputData(0,this.canvas)):this.setOutputData(0,null))};p.prototype.onDrawBackground=function(d){this.flags.collapsed||this.canvas&&d.drawImage(this.canvas,0,0,this.canvas.width,this.canvas.height,0,0,this.size[0],this.size[1])};p.prototype.onPropertyChanged=function(d,e){this.properties[d]=e;"scale"==d?(this.properties[d]=parseFloat(e),0==this.properties[d]&&(this.trace("Error in scale"),this.properties[d]=1)):
+this.properties[d]=parseInt(e);this.createCanvas();return!0};d.registerNodeType("graphics/cropImage",p);u.title="Video";u.desc="Video playback";u.widgets=[{name:"play",text:"PLAY",type:"minibutton"},{name:"stop",text:"STOP",type:"minibutton"},{name:"demo",text:"Demo video",type:"button"},{name:"mute",text:"Mute video",type:"button"}];u.prototype.onExecute=function(){if(this.properties.url&&(this.properties.url!=this._video_url&&this.loadVideo(this.properties.url),this._video&&0!=this._video.width)){var d=
+this.getInputData(0);d&&0<=d&&1>=d&&(this._video.currentTime=d*this._video.duration,this._video.pause());this._video.dirty=!0;this.setOutputData(0,this._video);this.setOutputData(1,this._video.currentTime);this.setOutputData(2,this._video.duration);this.setDirtyCanvas(!0)}};u.prototype.onStart=function(){this.play()};u.prototype.onStop=function(){this.stop()};u.prototype.loadVideo=function(d){this._video_url=d;this._video=document.createElement("video");this._video.src=d;this._video.type="type=video/mp4";
+this._video.muted=!0;this._video.autoplay=!0;var e=this;this._video.addEventListener("loadedmetadata",function(a){e.trace("Duration: "+this.duration+" seconds");e.trace("Size: "+this.videoWidth+","+this.videoHeight);e.setDirtyCanvas(!0);this.width=this.videoWidth;this.height=this.videoHeight});this._video.addEventListener("progress",function(a){});this._video.addEventListener("error",function(a){console.log("Error loading video: "+this.src);e.trace("Error loading video: "+this.src);if(this.error)switch(this.error.code){case this.error.MEDIA_ERR_ABORTED:e.trace("You stopped the video.");
+break;case this.error.MEDIA_ERR_NETWORK:e.trace("Network error - please try again later.");break;case this.error.MEDIA_ERR_DECODE:e.trace("Video is broken..");break;case this.error.MEDIA_ERR_SRC_NOT_SUPPORTED:e.trace("Sorry, your browser can't play this video.")}});this._video.addEventListener("ended",function(a){e.trace("Ended.");this.play()})};u.prototype.onPropertyChanged=function(d,e){this.properties[d]=e;"url"==d&&""!=e&&this.loadVideo(e);return!0};u.prototype.play=function(){this._video&&this._video.play()};
+u.prototype.playPause=function(){this._video&&(this._video.paused?this.play():this.pause())};u.prototype.stop=function(){this._video&&(this._video.pause(),this._video.currentTime=0)};u.prototype.pause=function(){this._video&&(this.trace("Video paused"),this._video.pause())};u.prototype.onWidget=function(d,e){};d.registerNodeType("graphics/video",u);v.title="Webcam";v.desc="Webcam image";v.prototype.openStream=function(){function d(a){console.log("Webcam rejected",a);e._webcam_stream=!1;e.box_color=
+"red"}navigator.getUserMedia=navigator.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia||navigator.msGetUserMedia;window.URL=window.URL||window.webkitURL;if(navigator.getUserMedia){this._waiting_confirmation=!0;navigator.getUserMedia({video:!0},this.streamReady.bind(this),d);var e=this}};v.prototype.onRemoved=function(){this._webcam_stream&&(this._webcam_stream.stop(),this._video=this._webcam_stream=null)};v.prototype.streamReady=function(d){this._webcam_stream=d;var e=this._video;
+e||(e=document.createElement("video"),e.autoplay=!0,e.src=window.URL.createObjectURL(d),this._video=e,e.onloadedmetadata=function(a){console.log(a)})};v.prototype.onExecute=function(){null!=this._webcam_stream||this._waiting_confirmation||this.openStream();this._video&&this._video.videoWidth&&(this._video.width=this._video.videoWidth,this._video.height=this._video.videoHeight,this.setOutputData(0,this._video))};v.prototype.getExtraMenuOptions=function(d){var e=this;return[{content:e.properties.show?
+"Hide Frame":"Show Frame",callback:function(){e.properties.show=!e.properties.show}}]};v.prototype.onDrawBackground=function(d){this.flags.collapsed||20>=this.size[1]||!this.properties.show||!this._video||(d.save(),d.drawImage(this._video,0,0,this.size[0],this.size[1]),d.restore())};d.registerNodeType("graphics/webcam",v)})(this);
+(function(q){var g=q.LiteGraph;q.LGraphTexture=null;if("undefined"!=typeof GL){var f=function(){this.addOutput("Texture","Texture");this.properties={name:"",filter:!0};this.size=[f.image_preview_size,f.image_preview_size]};q.LGraphTexture=f;f.title="Texture";f.desc="Texture";f.widgets_info={name:{widget:"texture"},filter:{widget:"checkbox"}};f.loadTextureCallback=null;f.image_preview_size=256;f.PASS_THROUGH=1;f.COPY=2;f.LOW=3;f.HIGH=4;f.REUSE=5;f.DEFAULT=2;f.MODE_VALUES={"pass through":f.PASS_THROUGH,
+copy:f.COPY,low:f.LOW,high:f.HIGH,reuse:f.REUSE,"default":f.DEFAULT};f.getTexturesContainer=function(){return gl.textures};f.loadTexture=function(a,b){b=b||{};var c=a;"http://"==c.substr(0,7)&&g.proxy&&(c=g.proxy+c.substr(7));return f.getTexturesContainer()[a]=GL.Texture.fromURL(c,b)};f.getTexture=function(a){var b=this.getTexturesContainer();if(!b)throw"Cannot load texture, container of textures not found";b=b[a];return!b&&a&&":"!=a[0]?this.loadTexture(a):b};f.getTargetTexture=function(a,b,c){if(!a)throw"LGraphTexture.getTargetTexture expects a reference texture";
+var d=null;switch(c){case f.LOW:d=gl.UNSIGNED_BYTE;break;case f.HIGH:d=gl.HIGH_PRECISION_FORMAT;break;case f.REUSE:return a;default:d=a?a.type:gl.UNSIGNED_BYTE}b&&b.width==a.width&&b.height==a.height&&b.type==d||(b=new GL.Texture(a.width,a.height,{type:d,format:gl.RGBA,filter:gl.LINEAR}));return b};f.getNoiseTexture=function(){if(this._noise_texture)return this._noise_texture;for(var a=new Uint8Array(1048576),b=0;1048576>b;++b)a[b]=255*Math.random();return this._noise_texture=a=GL.Texture.fromMemory(512,
+512,a,{format:gl.RGBA,wrap:gl.REPEAT,filter:gl.NEAREST})};f.prototype.onDropFile=function(a,b,c){if(a){var d=null;"string"==typeof a?d=GL.Texture.fromURL(a):-1!=b.toLowerCase().indexOf(".dds")?d=GL.Texture.fromDDSInMemory(a):(a=new Blob([c]),a=URL.createObjectURL(a),d=GL.Texture.fromURL(a));this._drop_texture=d;this.properties.name=b}else this._drop_texture=null,this.properties.name=""};f.prototype.getExtraMenuOptions=function(a){var b=this;if(this._drop_texture)return[{content:"Clear",callback:function(){b._drop_texture=
+null;b.properties.name=""}}]};f.prototype.onExecute=function(){var a=null;this.isOutputConnected(1)&&(a=this.getInputData(0));!a&&this._drop_texture&&(a=this._drop_texture);!a&&this.properties.name&&(a=f.getTexture(this.properties.name));if(a){this._last_tex=a;!1===this.properties.filter?a.setParameter(gl.TEXTURE_MAG_FILTER,gl.NEAREST):a.setParameter(gl.TEXTURE_MAG_FILTER,gl.LINEAR);this.setOutputData(0,a);for(var b=1;b<this.outputs.length;b++){var c=this.outputs[b];if(c){var d=null;"width"==c.name?
+d=a.width:"height"==c.name?d=a.height:"aspect"==c.name&&(d=a.width/a.height);this.setOutputData(b,d)}}}};f.prototype.onResourceRenamed=function(a,b){this.properties.name==a&&(this.properties.name=b)};f.prototype.onDrawBackground=function(a){if(!(this.flags.collapsed||20>=this.size[1]))if(this._drop_texture&&a.webgl)a.drawImage(this._drop_texture,0,0,this.size[0],this.size[1]);else{if(this._last_preview_tex!=this._last_tex)if(a.webgl)this._canvas=this._last_tex;else{var b=f.generateLowResTexturePreview(this._last_tex);
+if(!b)return;this._last_preview_tex=this._last_tex;this._canvas=cloneCanvas(b)}this._canvas&&(a.save(),a.webgl||(a.translate(0,this.size[1]),a.scale(1,-1)),a.drawImage(this._canvas,0,0,this.size[0],this.size[1]),a.restore())}};f.generateLowResTexturePreview=function(a){if(!a)return null;var b=f.image_preview_size,c=a;if(a.format==gl.DEPTH_COMPONENT)return null;if(a.width>b||a.height>b)c=this._preview_temp_tex,this._preview_temp_tex||(this._preview_temp_tex=c=new GL.Texture(b,b,{minFilter:gl.NEAREST})),
+a.copyTo(c);a=this._preview_canvas;a||(this._preview_canvas=a=createCanvas(b,b));c&&c.toCanvas(a);return a};f.prototype.getResources=function(a){a[this.properties.name]=GL.Texture;return a};f.prototype.onGetInputs=function(){return[["in","Texture"]]};f.prototype.onGetOutputs=function(){return[["width","number"],["height","number"],["aspect","number"]]};g.registerNodeType("texture/texture",f);var e=function(){this.addInput("Texture","Texture");this.properties={flipY:!1};this.size=[f.image_preview_size,
+f.image_preview_size]};e.title="Preview";e.desc="Show a texture in the graph canvas";e.allow_preview=!1;e.prototype.onDrawBackground=function(a){if(!this.flags.collapsed&&(a.webgl||e.allow_preview)){var b=this.getInputData(0);if(b){var c=null,c=!b.handle&&a.webgl?b:f.generateLowResTexturePreview(b);a.save();this.properties.flipY&&(a.translate(0,this.size[1]),a.scale(1,-1));a.drawImage(c,0,0,this.size[0],this.size[1]);a.restore()}}};g.registerNodeType("texture/preview",e);q=function(){this.addInput("Texture",
+"Texture");this.addOutput("","Texture");this.properties={name:""}};q.title="Save";q.desc="Save a texture in the repository";q.prototype.onExecute=function(){var a=this.getInputData(0);a&&(this.properties.name&&(f.storeTexture?f.storeTexture(this.properties.name,a):f.getTexturesContainer()[this.properties.name]=a),this.setOutputData(0,a))};g.registerNodeType("texture/save",q);var t=function(){this.addInput("Texture","Texture");this.addInput("TextureB","Texture");this.addInput("value","number");this.addOutput("Texture",
+"Texture");this.help="<p>pixelcode must be vec3</p>\t\t\t<p>uvcode must be vec2, is optional</p>\t\t\t<p><strong>uv:</strong> tex. coords</p><p><strong>color:</strong> texture</p><p><strong>colorB:</strong> textureB</p><p><strong>time:</strong> scene time</p><p><strong>value:</strong> input value</p>";this.properties={value:1,uvcode:"",pixelcode:"color + colorB * value",precision:f.DEFAULT}};t.widgets_info={uvcode:{widget:"textarea",height:100},pixelcode:{widget:"textarea",height:100},precision:{widget:"combo",
+values:f.MODE_VALUES}};t.title="Operation";t.desc="Texture shader operation";t.prototype.getExtraMenuOptions=function(a){var b=this;return[{content:b.properties.show?"Hide Texture":"Show Texture",callback:function(){b.properties.show=!b.properties.show}}]};t.prototype.onDrawBackground=function(a){this.flags.collapsed||20>=this.size[1]||!this.properties.show||!this._tex||this._tex.gl!=a||(a.save(),a.drawImage(this._tex,0,0,this.size[0],this.size[1]),a.restore())};t.prototype.onExecute=function(){var a=
+this.getInputData(0);if(this.isOutputConnected(0))if(this.properties.precision===f.PASS_THROUGH)this.setOutputData(0,a);else{var b=this.getInputData(1);if(this.properties.uvcode||this.properties.pixelcode){var c=512,d=512;a?(c=a.width,d=a.height):b&&(c=b.width,d=b.height);this._tex=a||this._tex?f.getTargetTexture(a||this._tex,this._tex,this.properties.precision):new GL.Texture(c,d,{type:this.precision===f.LOW?gl.UNSIGNED_BYTE:gl.HIGH_PRECISION_FORMAT,format:gl.RGBA,filter:gl.LINEAR});var e="";this.properties.uvcode&&
+(e="uv = "+this.properties.uvcode,-1!=this.properties.uvcode.indexOf(";")&&(e=this.properties.uvcode));var n="";this.properties.pixelcode&&(n="result = "+this.properties.pixelcode,-1!=this.properties.pixelcode.indexOf(";")&&(n=this.properties.pixelcode));var l=this._shader;if(!l||this._shader_code!=e+"|"+n){try{this._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,t.pixel_shader,{UV_CODE:e,PIXEL_CODE:n}),this.boxcolor="#00FF00"}catch(g){console.log("Error compiling shader: ",g);this.boxcolor="#FF0000";
+return}this.boxcolor="#FF0000";this._shader_code=e+"|"+n;l=this._shader}if(l){this.boxcolor="green";var h=this.getInputData(2);null!=h?this.properties.value=h:h=parseFloat(this.properties.value);var k=this.graph.getTime();this._tex.drawTo(function(){gl.disable(gl.DEPTH_TEST);gl.disable(gl.CULL_FACE);gl.disable(gl.BLEND);a&&a.bind(0);b&&b.bind(1);var e=Mesh.getScreenQuad();l.uniforms({u_texture:0,u_textureB:1,value:h,texSize:[c,d],time:k}).draw(e)});this.setOutputData(0,this._tex)}else this.boxcolor=
+"red"}}};t.pixel_shader="precision highp float;\n\t\t\t\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_textureB;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform vec2 texSize;\n\t\t\tuniform float time;\n\t\t\tuniform float value;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec2 uv = v_coord;\n\t\t\t\tUV_CODE;\n\t\t\t\tvec4 color4 = texture2D(u_texture, uv);\n\t\t\t\tvec3 color = color4.rgb;\n\t\t\t\tvec4 color4B = texture2D(u_textureB, uv);\n\t\t\t\tvec3 colorB = color4B.rgb;\n\t\t\t\tvec3 result = color;\n\t\t\t\tfloat alpha = 1.0;\n\t\t\t\tPIXEL_CODE;\n\t\t\t\tgl_FragColor = vec4(result, alpha);\n\t\t\t}\n\t\t\t";
+g.registerNodeType("texture/operation",t);var p=function(){this.addOutput("Texture","Texture");this.properties={code:"",width:512,height:512};this.properties.code="\nvoid main() {\n  vec2 uv = v_coord;\n  vec3 color = vec3(0.0);\n//your code here\n\ngl_FragColor = vec4(color, 1.0);\n}\n"};p.title="Shader";p.desc="Texture shader";p.widgets_info={code:{type:"code"},precision:{widget:"combo",values:f.MODE_VALUES}};p.prototype.onPropertyChanged=function(a,b){if("code"==a){var c=this.getShader();if(c){var d=
+c.uniformInfo;if(this.inputs)for(var e={},f=0;f<this.inputs.length;++f){var n=this.getInputInfo(f);n&&(d[n.name]&&!e[n.name]?e[n.name]=!0:(this.removeInput(f),f--))}for(f in d)if(n=c.uniformInfo[f],null!==n.loc&&"time"!=f){d="number";if(this._shader.samplers[f])d="texture";else switch(n.size){case 1:d="number";break;case 2:d="vec2";break;case 3:d="vec3";break;case 4:d="vec4";break;case 9:d="mat3";break;case 16:d="mat4";break;default:continue}n=this.findInputSlot(f);-1==n?this.addInput(f,d):(e=this.getInputInfo(n),
+e)?e.type!=d&&(this.removeInput(n,d),this.addInput(f,d)):this.addInput(f,d)}}}};p.prototype.getShader=function(){if(this._shader&&this._shader_code==this.properties.code)return this._shader;this._shader_code=this.properties.code;if(this._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,p.pixel_shader+this.properties.code))this.boxcolor="green";else return this.boxcolor="red",null;return this._shader};p.prototype.onExecute=function(){if(this.isOutputConnected(0)){var a=this.getShader();if(a){for(var b=
 0;b<this.inputs.length;++b){var c=this.getInputInfo(b),d=this.getInputData(b);null!=d&&(d.constructor===GL.Texture&&(d.bind(slot),d=slot,slot++),a.setUniform(c.name,d))}this._tex&&this._tex.width==this.properties.width&&this._tex.height==this.properties.height||(this._tex=new GL.Texture(this.properties.width,this.properties.height,{format:gl.RGBA,filter:gl.LINEAR}));var e=this._tex,f=this.graph.getTime();e.drawTo(function(){a.uniforms({texSize:[e.width,e.height],time:f}).draw(Mesh.getScreenQuad())});
-this.setOutputData(0,this._tex)}}};l.pixel_shader="precision highp float;\n\t\t\t\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform float time;\n\t\t\t";e.registerNodeType("texture/shader",l);var t=function(){this.addInput("in","Texture");this.addInput("scale","vec2");this.addInput("offset","vec2");this.addOutput("out","Texture");this.properties={offset:vec2.fromValues(0,0),scale:vec2.fromValues(1,1),precision:g.DEFAULT}};t.widgets_info={precision:{widget:"combo",values:g.MODE_VALUES}};t.title="Scale/Offset";
-t.desc="Applies an scaling and offseting";t.prototype.onExecute=function(){var a=this.getInputData(0);if(this.isOutputConnected(0)&&a)if(this.properties.precision===g.PASS_THROUGH)this.setOutputData(0,a);else{var b=a.width,c=a.height,d=this.precision===g.LOW?gl.UNSIGNED_BYTE:gl.HIGH_PRECISION_FORMAT;this.precision===g.DEFAULT&&(d=a.type);this._tex&&this._tex.width==b&&this._tex.height==c&&this._tex.type==d||(this._tex=new GL.Texture(b,c,{type:d,format:gl.RGBA,filter:gl.LINEAR}));var e=this._shader;
-e||(e=new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER,t.pixel_shader));var f=this.getInputData(1);f?(this.properties.scale[0]=f[0],this.properties.scale[1]=f[1]):f=this.properties.scale;var h=this.getInputData(2);h?(this.properties.offset[0]=h[0],this.properties.offset[1]=h[1]):h=this.properties.offset;this._tex.drawTo(function(){gl.disable(gl.DEPTH_TEST);gl.disable(gl.CULL_FACE);gl.disable(gl.BLEND);a.bind(0);var b=Mesh.getScreenQuad();e.uniforms({u_texture:0,u_scale:f,u_offset:h}).draw(b)});this.setOutputData(0,
-this._tex)}};t.pixel_shader="precision highp float;\n\t\t\t\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_textureB;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform vec2 u_scale;\n\t\t\tuniform vec2 u_offset;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec2 uv = v_coord;\n\t\t\t\tuv = uv / u_scale - u_offset;\n\t\t\t\tgl_FragColor = texture2D(u_texture, uv);\n\t\t\t}\n\t\t\t";e.registerNodeType("texture/scaleOffset",t);var u=function(){this.addInput("in","Texture");this.addInput("warp","Texture");
-this.addInput("factor","number");this.addOutput("out","Texture");this.properties={factor:0.01,precision:g.DEFAULT}};u.widgets_info={precision:{widget:"combo",values:g.MODE_VALUES}};u.title="Warp";u.desc="Texture warp operation";u.prototype.onExecute=function(){var a=this.getInputData(0);if(this.isOutputConnected(0))if(this.properties.precision===g.PASS_THROUGH)this.setOutputData(0,a);else{var b=this.getInputData(1),c=512,d=512;a?(c=a.width,d=a.height):b&&(c=b.width,d=b.height);this._tex=a||this._tex?
-g.getTargetTexture(a||this._tex,this._tex,this.properties.precision):new GL.Texture(c,d,{type:this.precision===g.LOW?gl.UNSIGNED_BYTE:gl.HIGH_PRECISION_FORMAT,format:gl.RGBA,filter:gl.LINEAR});var e=this._shader;e||(e=new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER,u.pixel_shader));var f=this.getInputData(2);null!=f?this.properties.factor=f:f=parseFloat(this.properties.factor);this._tex.drawTo(function(){gl.disable(gl.DEPTH_TEST);gl.disable(gl.CULL_FACE);gl.disable(gl.BLEND);a&&a.bind(0);b&&b.bind(1);
-var c=Mesh.getScreenQuad();e.uniforms({u_texture:0,u_textureB:1,u_factor:f}).draw(c)});this.setOutputData(0,this._tex)}};u.pixel_shader="precision highp float;\n\t\t\t\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_textureB;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform float u_factor;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec2 uv = v_coord;\n\t\t\t\tuv += ( texture2D(u_textureB, uv).rg - vec2(0.5)) * u_factor;\n\t\t\t\tgl_FragColor = texture2D(u_texture, uv);\n\t\t\t}\n\t\t\t";e.registerNodeType("texture/warp",
-u);var f=function(){this.addInput("Texture","Texture");this.properties={additive:!1,antialiasing:!1,filter:!0,disable_alpha:!1,gamma:1};this.size[0]=130};f.title="to Viewport";f.desc="Texture to viewport";f.prototype.onExecute=function(){var a=this.getInputData(0);if(a){this.properties.disable_alpha?gl.disable(gl.BLEND):(gl.enable(gl.BLEND),this.properties.additive?gl.blendFunc(gl.SRC_ALPHA,gl.ONE):gl.blendFunc(gl.SRC_ALPHA,gl.ONE_MINUS_SRC_ALPHA));gl.disable(gl.DEPTH_TEST);var b=this.properties.gamma||
-1;this.isInputConnected(1)&&(b=this.getInputData(1));a.setParameter(gl.TEXTURE_MAG_FILTER,this.properties.filter?gl.LINEAR:gl.NEAREST);if(this.properties.antialiasing){f._shader||(f._shader=new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER,f.aa_pixel_shader));gl.getViewport();var c=Mesh.getScreenQuad();a.bind(0);f._shader.uniforms({u_texture:0,uViewportSize:[a.width,a.height],u_igamma:1/b,inverseVP:[1/a.width,1/a.height]}).draw(c)}else 1!=b?(f._gamma_shader||(f._gamma_shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,
-f.gamma_pixel_shader)),a.toViewport(f._gamma_shader,{u_texture:0,u_igamma:1/b})):a.toViewport()}};f.prototype.onGetInputs=function(){return[["gamma","number"]]};f.aa_pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 uViewportSize;\n\t\t\tuniform vec2 inverseVP;\n\t\t\tuniform float u_igamma;\n\t\t\t#define FXAA_REDUCE_MIN   (1.0/ 128.0)\n\t\t\t#define FXAA_REDUCE_MUL   (1.0 / 8.0)\n\t\t\t#define FXAA_SPAN_MAX     8.0\n\t\t\t\n\t\t\t/* from mitsuhiko/webgl-meincraft based on the code on geeks3d.com */\n\t\t\tvec4 applyFXAA(sampler2D tex, vec2 fragCoord)\n\t\t\t{\n\t\t\t\tvec4 color = vec4(0.0);\n\t\t\t\t/*vec2 inverseVP = vec2(1.0 / uViewportSize.x, 1.0 / uViewportSize.y);*/\n\t\t\t\tvec3 rgbNW = texture2D(tex, (fragCoord + vec2(-1.0, -1.0)) * inverseVP).xyz;\n\t\t\t\tvec3 rgbNE = texture2D(tex, (fragCoord + vec2(1.0, -1.0)) * inverseVP).xyz;\n\t\t\t\tvec3 rgbSW = texture2D(tex, (fragCoord + vec2(-1.0, 1.0)) * inverseVP).xyz;\n\t\t\t\tvec3 rgbSE = texture2D(tex, (fragCoord + vec2(1.0, 1.0)) * inverseVP).xyz;\n\t\t\t\tvec3 rgbM  = texture2D(tex, fragCoord  * inverseVP).xyz;\n\t\t\t\tvec3 luma = vec3(0.299, 0.587, 0.114);\n\t\t\t\tfloat lumaNW = dot(rgbNW, luma);\n\t\t\t\tfloat lumaNE = dot(rgbNE, luma);\n\t\t\t\tfloat lumaSW = dot(rgbSW, luma);\n\t\t\t\tfloat lumaSE = dot(rgbSE, luma);\n\t\t\t\tfloat lumaM  = dot(rgbM,  luma);\n\t\t\t\tfloat lumaMin = min(lumaM, min(min(lumaNW, lumaNE), min(lumaSW, lumaSE)));\n\t\t\t\tfloat lumaMax = max(lumaM, max(max(lumaNW, lumaNE), max(lumaSW, lumaSE)));\n\t\t\t\t\n\t\t\t\tvec2 dir;\n\t\t\t\tdir.x = -((lumaNW + lumaNE) - (lumaSW + lumaSE));\n\t\t\t\tdir.y =  ((lumaNW + lumaSW) - (lumaNE + lumaSE));\n\t\t\t\t\n\t\t\t\tfloat dirReduce = max((lumaNW + lumaNE + lumaSW + lumaSE) * (0.25 * FXAA_REDUCE_MUL), FXAA_REDUCE_MIN);\n\t\t\t\t\n\t\t\t\tfloat rcpDirMin = 1.0 / (min(abs(dir.x), abs(dir.y)) + dirReduce);\n\t\t\t\tdir = min(vec2(FXAA_SPAN_MAX, FXAA_SPAN_MAX), max(vec2(-FXAA_SPAN_MAX, -FXAA_SPAN_MAX), dir * rcpDirMin)) * inverseVP;\n\t\t\t\t\n\t\t\t\tvec3 rgbA = 0.5 * (texture2D(tex, fragCoord * inverseVP + dir * (1.0 / 3.0 - 0.5)).xyz + \n\t\t\t\t\ttexture2D(tex, fragCoord * inverseVP + dir * (2.0 / 3.0 - 0.5)).xyz);\n\t\t\t\tvec3 rgbB = rgbA * 0.5 + 0.25 * (texture2D(tex, fragCoord * inverseVP + dir * -0.5).xyz + \n\t\t\t\t\ttexture2D(tex, fragCoord * inverseVP + dir * 0.5).xyz);\n\t\t\t\t\n\t\t\t\t//return vec4(rgbA,1.0);\n\t\t\t\tfloat lumaB = dot(rgbB, luma);\n\t\t\t\tif ((lumaB < lumaMin) || (lumaB > lumaMax))\n\t\t\t\t\tcolor = vec4(rgbA, 1.0);\n\t\t\t\telse\n\t\t\t\t\tcolor = vec4(rgbB, 1.0);\n\t\t\t\tif(u_igamma != 1.0)\n\t\t\t\t\tcolor.xyz = pow( color.xyz, vec3(u_igamma) );\n\t\t\t\treturn color;\n\t\t\t}\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t   gl_FragColor = applyFXAA( u_texture, v_coord * uViewportSize) ;\n\t\t\t}\n\t\t\t";
-f.gamma_pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform float u_igamma;\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D( u_texture, v_coord);\n\t\t\t\tcolor.xyz = pow(color.xyz, vec3(u_igamma) );\n\t\t\t   gl_FragColor = color;\n\t\t\t}\n\t\t\t";e.registerNodeType("texture/toviewport",f);r=function(){this.addInput("Texture","Texture");this.addOutput("","Texture");this.properties={size:0,generate_mipmaps:!1,
-precision:g.DEFAULT}};r.title="Copy";r.desc="Copy Texture";r.widgets_info={size:{widget:"combo",values:[0,32,64,128,256,512,1024,2048]},precision:{widget:"combo",values:g.MODE_VALUES}};r.prototype.onExecute=function(){var a=this.getInputData(0);if((a||this._temp_texture)&&this.isOutputConnected(0)){if(a){var b=a.width,c=a.height;0!=this.properties.size&&(c=b=this.properties.size);var d=this._temp_texture,e=a.type;this.properties.precision===g.LOW?e=gl.UNSIGNED_BYTE:this.properties.precision===g.HIGH&&
-(e=gl.HIGH_PRECISION_FORMAT);d&&d.width==b&&d.height==c&&d.type==e||(d=gl.LINEAR,this.properties.generate_mipmaps&&isPowerOfTwo(b)&&isPowerOfTwo(c)&&(d=gl.LINEAR_MIPMAP_LINEAR),this._temp_texture=new GL.Texture(b,c,{type:e,format:gl.RGBA,minFilter:d,magFilter:gl.LINEAR}));a.copyTo(this._temp_texture);this.properties.generate_mipmaps&&(this._temp_texture.bind(0),gl.generateMipmap(this._temp_texture.texture_type),this._temp_texture.unbind(0))}this.setOutputData(0,this._temp_texture)}};e.registerNodeType("texture/copy",
-r);var p=function(){this.addInput("Texture","Texture");this.addOutput("","Texture");this.properties={iterations:1,generate_mipmaps:!1,precision:g.DEFAULT}};p.title="Downsample";p.desc="Downsample Texture";p.widgets_info={iterations:{type:"number",step:1,precision:0,min:1},precision:{widget:"combo",values:g.MODE_VALUES}};p.prototype.onExecute=function(){var a=this.getInputData(0);if((a||this._temp_texture)&&this.isOutputConnected(0)&&a&&a.texture_type===GL.TEXTURE_2D){var b=p._shader;b||(p._shader=
-b=new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER,p.pixel_shader));var c=a.width|0,d=a.height|0,e=a.type;this.properties.precision===g.LOW?e=gl.UNSIGNED_BYTE:this.properties.precision===g.HIGH&&(e=gl.HIGH_PRECISION_FORMAT);var f=this.properties.iterations||1,h=a,n=null,l=[],a={type:e,format:a.format},e=vec2.create(),k={u_offset:e};this._texture&&GL.Texture.releaseTemporary(this._texture);for(var t=0;t<f;++t){e[0]=1/c;e[1]=1/d;c=c>>1||0;d=d>>1||0;n=GL.Texture.getTemporary(c,d,a);l.push(n);h.setParameter(GL.TEXTURE_MAG_FILTER,
-GL.NEAREST);h.copyTo(n,b,k);if(1==c&&1==d)break;h=n}this._texture=l.pop();for(t=0;t<l.length;++t)GL.Texture.releaseTemporary(l[t]);this.properties.generate_mipmaps&&(this._texture.bind(0),gl.generateMipmap(this._texture.texture_type),this._texture.unbind(0));this.setOutputData(0,this._texture)}};p.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 u_offset;\n\t\t\tvarying vec2 v_coord;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord );\n\t\t\t\tcolor += texture2D(u_texture, v_coord + vec2( u_offset.x, 0.0 ) );\n\t\t\t\tcolor += texture2D(u_texture, v_coord + vec2( 0.0, u_offset.y ) );\n\t\t\t\tcolor += texture2D(u_texture, v_coord + vec2( u_offset.x, u_offset.y ) );\n\t\t\t   gl_FragColor = color * 0.25;\n\t\t\t}\n\t\t\t";
-e.registerNodeType("texture/downsample",p);var a=function(){this.addInput("Texture","Texture");this.addOutput("","Texture");this.properties={mipmap_offset:0,low_precision:!1};this._uniforms={u_texture:0,u_mipmap_offset:this.properties.mipmap_offset}};a.title="Average";a.desc="Compute a partial average (32 random samples) of a texture and stores it as a 1x1 pixel texture";a.prototype.onExecute=function(){var b=this.getInputData(0);if(b&&this.isOutputConnected(0)){if(!a._shader){a._shader=new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER,
-a.pixel_shader);for(var c=new Float32Array(32),d=0;32>d;++d)c[d]=Math.random();a._shader.uniforms({u_samples_a:c.subarray(0,16),u_samples_b:c.subarray(16,32)})}c=this._temp_texture;d=this.properties.low_precision?gl.UNSIGNED_BYTE:b.type;c&&c.type==d||(this._temp_texture=new GL.Texture(1,1,{type:d,format:gl.RGBA,filter:gl.NEAREST}));var e=a._shader,f=this._uniforms;f.u_mipmap_offset=this.properties.mipmap_offset;this._temp_texture.drawTo(function(){b.toViewport(e,f)});this.setOutputData(0,this._temp_texture)}};
-a.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tuniform mat4 u_samples_a;\n\t\t\tuniform mat4 u_samples_b;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform float u_mipmap_offset;\n\t\t\tvarying vec2 v_coord;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = vec4(0.0);\n\t\t\t\tfor(int i = 0; i < 4; ++i)\n\t\t\t\t\tfor(int j = 0; j < 4; ++j)\n\t\t\t\t\t{\n\t\t\t\t\t\tcolor += texture2D(u_texture, vec2( u_samples_a[i][j], u_samples_b[i][j] ), u_mipmap_offset );\n\t\t\t\t\t\tcolor += texture2D(u_texture, vec2( 1.0 - u_samples_a[i][j], 1.0 - u_samples_b[i][j] ), u_mipmap_offset );\n\t\t\t\t\t}\n\t\t\t   gl_FragColor = color * 0.03125;\n\t\t\t}\n\t\t\t";
-e.registerNodeType("texture/average",a);r=function(){this.addInput("Image","image");this.addOutput("","Texture");this.properties={}};r.title="Image to Texture";r.desc="Uploads an image to the GPU";r.prototype.onExecute=function(){var a=this.getInputData(0);if(a){var b=a.videoWidth||a.width,c=a.videoHeight||a.height;if(a.gltexture)this.setOutputData(0,a.gltexture);else{var d=this._temp_texture;d&&d.width==b&&d.height==c||(this._temp_texture=new GL.Texture(b,c,{format:gl.RGBA,filter:gl.LINEAR}));try{this._temp_texture.uploadImage(a)}catch(e){console.error("image comes from an unsafe location, cannot be uploaded to webgl");
-return}this.setOutputData(0,this._temp_texture)}}};e.registerNodeType("texture/imageToTexture",r);var b=function(){this.addInput("Texture","Texture");this.addInput("LUT","Texture");this.addInput("Intensity","number");this.addOutput("","Texture");this.properties={intensity:1,precision:g.DEFAULT,texture:null};b._shader||(b._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,b.pixel_shader))};b.widgets_info={precision:{widget:"combo",values:g.MODE_VALUES}};b.title="LUT";b.desc="Apply LUT to Texture";b.widgets_info=
-{texture:{widget:"texture"}};b.prototype.onExecute=function(){if(this.isOutputConnected(0)){var a=this.getInputData(0);if(this.properties.precision===g.PASS_THROUGH)this.setOutputData(0,a);else if(a){var c=this.getInputData(1);c||(c=g.getTexture(this.properties.texture));if(c){c.bind(0);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,gl.LINEAR);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,gl.CLAMP_TO_EDGE);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,gl.CLAMP_TO_EDGE);gl.bindTexture(gl.TEXTURE_2D,
-null);var d=this.properties.intensity;this.isInputConnected(2)&&(this.properties.intensity=d=this.getInputData(2));this._tex=g.getTargetTexture(a,this._tex,this.properties.precision);this._tex.drawTo(function(){c.bind(1);a.toViewport(b._shader,{u_texture:0,u_textureB:1,u_amount:d})});this.setOutputData(0,this._tex)}else this.setOutputData(0,a)}}};b.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_textureB;\n\t\t\tuniform float u_amount;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\t lowp vec4 textureColor = clamp( texture2D(u_texture, v_coord), vec4(0.0), vec4(1.0) );\n\t\t\t\t mediump float blueColor = textureColor.b * 63.0;\n\t\t\t\t mediump vec2 quad1;\n\t\t\t\t quad1.y = floor(floor(blueColor) / 8.0);\n\t\t\t\t quad1.x = floor(blueColor) - (quad1.y * 8.0);\n\t\t\t\t mediump vec2 quad2;\n\t\t\t\t quad2.y = floor(ceil(blueColor) / 8.0);\n\t\t\t\t quad2.x = ceil(blueColor) - (quad2.y * 8.0);\n\t\t\t\t highp vec2 texPos1;\n\t\t\t\t texPos1.x = (quad1.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.r);\n\t\t\t\t texPos1.y = 1.0 - ((quad1.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.g));\n\t\t\t\t highp vec2 texPos2;\n\t\t\t\t texPos2.x = (quad2.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.r);\n\t\t\t\t texPos2.y = 1.0 - ((quad2.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.g));\n\t\t\t\t lowp vec4 newColor1 = texture2D(u_textureB, texPos1);\n\t\t\t\t lowp vec4 newColor2 = texture2D(u_textureB, texPos2);\n\t\t\t\t lowp vec4 newColor = mix(newColor1, newColor2, fract(blueColor));\n\t\t\t\t gl_FragColor = vec4( mix( textureColor.rgb, newColor.rgb, u_amount), textureColor.w);\n\t\t\t}\n\t\t\t";
-e.registerNodeType("texture/LUT",b);var c=function(){this.addInput("Texture","Texture");this.addOutput("R","Texture");this.addOutput("G","Texture");this.addOutput("B","Texture");this.addOutput("A","Texture");this.properties={};c._shader||(c._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,c.pixel_shader))};c.title="Texture to Channels";c.desc="Split texture channels";c.prototype.onExecute=function(){var a=this.getInputData(0);if(a){this._channels||(this._channels=Array(4));for(var b=0,d=0;4>d;d++)this.isOutputConnected(d)?
-(this._channels[d]&&this._channels[d].width==a.width&&this._channels[d].height==a.height&&this._channels[d].type==a.type||(this._channels[d]=new GL.Texture(a.width,a.height,{type:a.type,format:gl.RGBA,filter:gl.LINEAR})),b++):this._channels[d]=null;if(b){gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);for(var e=Mesh.getScreenQuad(),f=c._shader,h=[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]],d=0;4>d;d++)this._channels[d]&&(this._channels[d].drawTo(function(){a.bind(0);f.uniforms({u_texture:0,u_mask:h[d]}).draw(e)}),
-this.setOutputData(d,this._channels[d]))}}};c.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec4 u_mask;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t   gl_FragColor = vec4( vec3( length( texture2D(u_texture, v_coord) * u_mask )), 1.0 );\n\t\t\t}\n\t\t\t";e.registerNodeType("texture/textureChannels",c);var h=function(){this.addInput("R","Texture");this.addInput("G","Texture");this.addInput("B","Texture");this.addInput("A",
-"Texture");this.addOutput("Texture","Texture");this.properties={};h._shader||(h._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,h.pixel_shader))};h.title="Channels to Texture";h.desc="Split texture channels";h.prototype.onExecute=function(){var a=[this.getInputData(0),this.getInputData(1),this.getInputData(2),this.getInputData(3)];if(a[0]&&a[1]&&a[2]&&a[3]){gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);var b=Mesh.getScreenQuad(),c=h._shader;this._tex=g.getTargetTexture(a[0],this._tex);this._tex.drawTo(function(){a[0].bind(0);
-a[1].bind(1);a[2].bind(2);a[3].bind(3);c.uniforms({u_textureR:0,u_textureG:1,u_textureB:2,u_textureA:3}).draw(b)});this.setOutputData(0,this._tex)}};h.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_textureR;\n\t\t\tuniform sampler2D u_textureG;\n\t\t\tuniform sampler2D u_textureB;\n\t\t\tuniform sampler2D u_textureA;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t   gl_FragColor = vec4( \t\t\t\t\t\ttexture2D(u_textureR, v_coord).r,\t\t\t\t\t\ttexture2D(u_textureG, v_coord).r,\t\t\t\t\t\ttexture2D(u_textureB, v_coord).r,\t\t\t\t\t\ttexture2D(u_textureA, v_coord).r);\n\t\t\t}\n\t\t\t";
-e.registerNodeType("texture/channelsTexture",h);var k=function(){this.addInput("A","color");this.addInput("B","color");this.addOutput("Texture","Texture");this.properties={angle:0,scale:1,A:[0,0,0],B:[1,1,1],texture_size:32};k._shader||(k._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,k.pixel_shader));this._uniforms={u_angle:0,u_colorA:vec3.create(),u_colorB:vec3.create()}};k.title="Gradient";k.desc="Generates a gradient";k["@A"]={type:"color"};k["@B"]={type:"color"};k["@texture_size"]={type:"enum",
-values:[32,64,128,256,512]};k.prototype.onExecute=function(){gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);var a=GL.Mesh.getScreenQuad(),b=k._shader,c=this.getInputData(0);c||(c=this.properties.A);var d=this.getInputData(1);d||(d=this.properties.B);for(var e=2;e<this.inputs.length;e++){var f=this.inputs[e],h=this.getInputData(e);void 0!==h&&(this.properties[f.name]=h)}var g=this._uniforms;this._uniforms.u_angle=this.properties.angle*DEG2RAD;this._uniforms.u_scale=this.properties.scale;vec3.copy(g.u_colorA,
-c);vec3.copy(g.u_colorB,d);c=parseInt(this.properties.texture_size);this._tex&&this._tex.width==c||(this._tex=new GL.Texture(c,c,{format:gl.RGB,filter:gl.LINEAR}));this._tex.drawTo(function(){b.uniforms(g).draw(a)});this.setOutputData(0,this._tex)};k.prototype.onGetInputs=function(){return[["angle","number"],["scale","number"]]};k.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform float u_angle;\n\t\t\tuniform float u_scale;\n\t\t\tuniform vec3 u_colorA;\n\t\t\tuniform vec3 u_colorB;\n\t\t\t\n\t\t\tvec2 rotate(vec2 v, float angle)\n\t\t\t{\n\t\t\t\tvec2 result;\n\t\t\t\tfloat _cos = cos(angle);\n\t\t\t\tfloat _sin = sin(angle);\n\t\t\t\tresult.x = v.x * _cos - v.y * _sin;\n\t\t\t\tresult.y = v.x * _sin + v.y * _cos;\n\t\t\t\treturn result;\n\t\t\t}\n\t\t\tvoid main() {\n\t\t\t\tfloat f = (rotate(u_scale * (v_coord - vec2(0.5)), u_angle) + vec2(0.5)).x;\n\t\t\t\tvec3 color = mix(u_colorA,u_colorB,clamp(f,0.0,1.0));\n\t\t\t   gl_FragColor = vec4(color,1.0);\n\t\t\t}\n\t\t\t";
-e.registerNodeType("texture/gradient",k);var v=function(){this.addInput("A","Texture");this.addInput("B","Texture");this.addInput("Mixer","Texture");this.addOutput("Texture","Texture");this.properties={precision:g.DEFAULT};v._shader||(v._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,v.pixel_shader))};v.title="Mix";v.desc="Generates a texture mixing two textures";v.widgets_info={precision:{widget:"combo",values:g.MODE_VALUES}};v.prototype.onExecute=function(){var a=this.getInputData(0);if(this.isOutputConnected(0))if(this.properties.precision===
-g.PASS_THROUGH)this.setOutputData(0,a);else{var b=this.getInputData(1),c=this.getInputData(2);if(a&&b&&c){this._tex=g.getTargetTexture(a,this._tex,this.properties.precision);gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);var d=Mesh.getScreenQuad(),e=v._shader;this._tex.drawTo(function(){a.bind(0);b.bind(1);c.bind(2);e.uniforms({u_textureA:0,u_textureB:1,u_textureMix:2}).draw(d)});this.setOutputData(0,this._tex)}}};v.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_textureA;\n\t\t\tuniform sampler2D u_textureB;\n\t\t\tuniform sampler2D u_textureMix;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t   gl_FragColor = mix( texture2D(u_textureA, v_coord), texture2D(u_textureB, v_coord), texture2D(u_textureMix, v_coord) );\n\t\t\t}\n\t\t\t";
-e.registerNodeType("texture/mix",v);var s=function(){this.addInput("Tex.","Texture");this.addOutput("Edges","Texture");this.properties={invert:!0,factor:1,precision:g.DEFAULT};s._shader||(s._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,s.pixel_shader))};s.title="Edges";s.desc="Detects edges";s.widgets_info={precision:{widget:"combo",values:g.MODE_VALUES}};s.prototype.onExecute=function(){if(this.isOutputConnected(0)){var a=this.getInputData(0);if(this.properties.precision===g.PASS_THROUGH)this.setOutputData(0,
-a);else if(a){this._tex=g.getTargetTexture(a,this._tex,this.properties.precision);gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);var b=Mesh.getScreenQuad(),c=s._shader,d=this.properties.invert,e=this.properties.factor;this._tex.drawTo(function(){a.bind(0);c.uniforms({u_texture:0,u_isize:[1/a.width,1/a.height],u_factor:e,u_invert:d?1:0}).draw(b)});this.setOutputData(0,this._tex)}}};s.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 u_isize;\n\t\t\tuniform int u_invert;\n\t\t\tuniform float u_factor;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 center = texture2D(u_texture, v_coord);\n\t\t\t\tvec4 up = texture2D(u_texture, v_coord + u_isize * vec2(0.0,1.0) );\n\t\t\t\tvec4 down = texture2D(u_texture, v_coord + u_isize * vec2(0.0,-1.0) );\n\t\t\t\tvec4 left = texture2D(u_texture, v_coord + u_isize * vec2(1.0,0.0) );\n\t\t\t\tvec4 right = texture2D(u_texture, v_coord + u_isize * vec2(-1.0,0.0) );\n\t\t\t\tvec4 diff = abs(center - up) + abs(center - down) + abs(center - left) + abs(center - right);\n\t\t\t\tdiff *= u_factor;\n\t\t\t\tif(u_invert == 1)\n\t\t\t\t\tdiff.xyz = vec3(1.0) - diff.xyz;\n\t\t\t   gl_FragColor = vec4( diff.xyz, center.a );\n\t\t\t}\n\t\t\t";
-e.registerNodeType("texture/edges",s);var n=function(){this.addInput("Texture","Texture");this.addInput("Distance","number");this.addInput("Range","number");this.addOutput("Texture","Texture");this.properties={distance:100,range:50,only_depth:!1,high_precision:!1};this._uniforms={u_texture:0,u_distance:100,u_range:50,u_camera_planes:null}};n.title="Depth Range";n.desc="Generates a texture with a depth range";n.prototype.onExecute=function(){if(this.isOutputConnected(0)){var a=this.getInputData(0);
+this.setOutputData(0,this._tex)}}};p.pixel_shader="precision highp float;\n\t\t\t\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform float time;\n\t\t\t";g.registerNodeType("texture/shader",p);var u=function(){this.addInput("in","Texture");this.addInput("scale","vec2");this.addInput("offset","vec2");this.addOutput("out","Texture");this.properties={offset:vec2.fromValues(0,0),scale:vec2.fromValues(1,1),precision:f.DEFAULT}};u.widgets_info={precision:{widget:"combo",values:f.MODE_VALUES}};u.title="Scale/Offset";
+u.desc="Applies an scaling and offseting";u.prototype.onExecute=function(){var a=this.getInputData(0);if(this.isOutputConnected(0)&&a)if(this.properties.precision===f.PASS_THROUGH)this.setOutputData(0,a);else{var b=a.width,c=a.height,d=this.precision===f.LOW?gl.UNSIGNED_BYTE:gl.HIGH_PRECISION_FORMAT;this.precision===f.DEFAULT&&(d=a.type);this._tex&&this._tex.width==b&&this._tex.height==c&&this._tex.type==d||(this._tex=new GL.Texture(b,c,{type:d,format:gl.RGBA,filter:gl.LINEAR}));var e=this._shader;
+e||(e=new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER,u.pixel_shader));var n=this.getInputData(1);n?(this.properties.scale[0]=n[0],this.properties.scale[1]=n[1]):n=this.properties.scale;var l=this.getInputData(2);l?(this.properties.offset[0]=l[0],this.properties.offset[1]=l[1]):l=this.properties.offset;this._tex.drawTo(function(){gl.disable(gl.DEPTH_TEST);gl.disable(gl.CULL_FACE);gl.disable(gl.BLEND);a.bind(0);var b=Mesh.getScreenQuad();e.uniforms({u_texture:0,u_scale:n,u_offset:l}).draw(b)});this.setOutputData(0,
+this._tex)}};u.pixel_shader="precision highp float;\n\t\t\t\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_textureB;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform vec2 u_scale;\n\t\t\tuniform vec2 u_offset;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec2 uv = v_coord;\n\t\t\t\tuv = uv / u_scale - u_offset;\n\t\t\t\tgl_FragColor = texture2D(u_texture, uv);\n\t\t\t}\n\t\t\t";g.registerNodeType("texture/scaleOffset",u);var v=function(){this.addInput("in","Texture");this.addInput("warp","Texture");
+this.addInput("factor","number");this.addOutput("out","Texture");this.properties={factor:0.01,precision:f.DEFAULT}};v.widgets_info={precision:{widget:"combo",values:f.MODE_VALUES}};v.title="Warp";v.desc="Texture warp operation";v.prototype.onExecute=function(){var a=this.getInputData(0);if(this.isOutputConnected(0))if(this.properties.precision===f.PASS_THROUGH)this.setOutputData(0,a);else{var b=this.getInputData(1),c=512,d=512;a?(c=a.width,d=a.height):b&&(c=b.width,d=b.height);this._tex=a||this._tex?
+f.getTargetTexture(a||this._tex,this._tex,this.properties.precision):new GL.Texture(c,d,{type:this.precision===f.LOW?gl.UNSIGNED_BYTE:gl.HIGH_PRECISION_FORMAT,format:gl.RGBA,filter:gl.LINEAR});var e=this._shader;e||(e=new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER,v.pixel_shader));var n=this.getInputData(2);null!=n?this.properties.factor=n:n=parseFloat(this.properties.factor);this._tex.drawTo(function(){gl.disable(gl.DEPTH_TEST);gl.disable(gl.CULL_FACE);gl.disable(gl.BLEND);a&&a.bind(0);b&&b.bind(1);
+var c=Mesh.getScreenQuad();e.uniforms({u_texture:0,u_textureB:1,u_factor:n}).draw(c)});this.setOutputData(0,this._tex)}};v.pixel_shader="precision highp float;\n\t\t\t\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_textureB;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform float u_factor;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec2 uv = v_coord;\n\t\t\t\tuv += ( texture2D(u_textureB, uv).rg - vec2(0.5)) * u_factor;\n\t\t\t\tgl_FragColor = texture2D(u_texture, uv);\n\t\t\t}\n\t\t\t";g.registerNodeType("texture/warp",
+v);var d=function(){this.addInput("Texture","Texture");this.properties={additive:!1,antialiasing:!1,filter:!0,disable_alpha:!1,gamma:1};this.size[0]=130};d.title="to Viewport";d.desc="Texture to viewport";d.prototype.onExecute=function(){var a=this.getInputData(0);if(a){this.properties.disable_alpha?gl.disable(gl.BLEND):(gl.enable(gl.BLEND),this.properties.additive?gl.blendFunc(gl.SRC_ALPHA,gl.ONE):gl.blendFunc(gl.SRC_ALPHA,gl.ONE_MINUS_SRC_ALPHA));gl.disable(gl.DEPTH_TEST);var b=this.properties.gamma||
+1;this.isInputConnected(1)&&(b=this.getInputData(1));a.setParameter(gl.TEXTURE_MAG_FILTER,this.properties.filter?gl.LINEAR:gl.NEAREST);if(this.properties.antialiasing){d._shader||(d._shader=new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER,d.aa_pixel_shader));gl.getViewport();var c=Mesh.getScreenQuad();a.bind(0);d._shader.uniforms({u_texture:0,uViewportSize:[a.width,a.height],u_igamma:1/b,inverseVP:[1/a.width,1/a.height]}).draw(c)}else 1!=b?(d._gamma_shader||(d._gamma_shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,
+d.gamma_pixel_shader)),a.toViewport(d._gamma_shader,{u_texture:0,u_igamma:1/b})):a.toViewport()}};d.prototype.onGetInputs=function(){return[["gamma","number"]]};d.aa_pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 uViewportSize;\n\t\t\tuniform vec2 inverseVP;\n\t\t\tuniform float u_igamma;\n\t\t\t#define FXAA_REDUCE_MIN   (1.0/ 128.0)\n\t\t\t#define FXAA_REDUCE_MUL   (1.0 / 8.0)\n\t\t\t#define FXAA_SPAN_MAX     8.0\n\t\t\t\n\t\t\t/* from mitsuhiko/webgl-meincraft based on the code on geeks3d.com */\n\t\t\tvec4 applyFXAA(sampler2D tex, vec2 fragCoord)\n\t\t\t{\n\t\t\t\tvec4 color = vec4(0.0);\n\t\t\t\t/*vec2 inverseVP = vec2(1.0 / uViewportSize.x, 1.0 / uViewportSize.y);*/\n\t\t\t\tvec3 rgbNW = texture2D(tex, (fragCoord + vec2(-1.0, -1.0)) * inverseVP).xyz;\n\t\t\t\tvec3 rgbNE = texture2D(tex, (fragCoord + vec2(1.0, -1.0)) * inverseVP).xyz;\n\t\t\t\tvec3 rgbSW = texture2D(tex, (fragCoord + vec2(-1.0, 1.0)) * inverseVP).xyz;\n\t\t\t\tvec3 rgbSE = texture2D(tex, (fragCoord + vec2(1.0, 1.0)) * inverseVP).xyz;\n\t\t\t\tvec3 rgbM  = texture2D(tex, fragCoord  * inverseVP).xyz;\n\t\t\t\tvec3 luma = vec3(0.299, 0.587, 0.114);\n\t\t\t\tfloat lumaNW = dot(rgbNW, luma);\n\t\t\t\tfloat lumaNE = dot(rgbNE, luma);\n\t\t\t\tfloat lumaSW = dot(rgbSW, luma);\n\t\t\t\tfloat lumaSE = dot(rgbSE, luma);\n\t\t\t\tfloat lumaM  = dot(rgbM,  luma);\n\t\t\t\tfloat lumaMin = min(lumaM, min(min(lumaNW, lumaNE), min(lumaSW, lumaSE)));\n\t\t\t\tfloat lumaMax = max(lumaM, max(max(lumaNW, lumaNE), max(lumaSW, lumaSE)));\n\t\t\t\t\n\t\t\t\tvec2 dir;\n\t\t\t\tdir.x = -((lumaNW + lumaNE) - (lumaSW + lumaSE));\n\t\t\t\tdir.y =  ((lumaNW + lumaSW) - (lumaNE + lumaSE));\n\t\t\t\t\n\t\t\t\tfloat dirReduce = max((lumaNW + lumaNE + lumaSW + lumaSE) * (0.25 * FXAA_REDUCE_MUL), FXAA_REDUCE_MIN);\n\t\t\t\t\n\t\t\t\tfloat rcpDirMin = 1.0 / (min(abs(dir.x), abs(dir.y)) + dirReduce);\n\t\t\t\tdir = min(vec2(FXAA_SPAN_MAX, FXAA_SPAN_MAX), max(vec2(-FXAA_SPAN_MAX, -FXAA_SPAN_MAX), dir * rcpDirMin)) * inverseVP;\n\t\t\t\t\n\t\t\t\tvec3 rgbA = 0.5 * (texture2D(tex, fragCoord * inverseVP + dir * (1.0 / 3.0 - 0.5)).xyz + \n\t\t\t\t\ttexture2D(tex, fragCoord * inverseVP + dir * (2.0 / 3.0 - 0.5)).xyz);\n\t\t\t\tvec3 rgbB = rgbA * 0.5 + 0.25 * (texture2D(tex, fragCoord * inverseVP + dir * -0.5).xyz + \n\t\t\t\t\ttexture2D(tex, fragCoord * inverseVP + dir * 0.5).xyz);\n\t\t\t\t\n\t\t\t\t//return vec4(rgbA,1.0);\n\t\t\t\tfloat lumaB = dot(rgbB, luma);\n\t\t\t\tif ((lumaB < lumaMin) || (lumaB > lumaMax))\n\t\t\t\t\tcolor = vec4(rgbA, 1.0);\n\t\t\t\telse\n\t\t\t\t\tcolor = vec4(rgbB, 1.0);\n\t\t\t\tif(u_igamma != 1.0)\n\t\t\t\t\tcolor.xyz = pow( color.xyz, vec3(u_igamma) );\n\t\t\t\treturn color;\n\t\t\t}\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t   gl_FragColor = applyFXAA( u_texture, v_coord * uViewportSize) ;\n\t\t\t}\n\t\t\t";
+d.gamma_pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform float u_igamma;\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D( u_texture, v_coord);\n\t\t\t\tcolor.xyz = pow(color.xyz, vec3(u_igamma) );\n\t\t\t   gl_FragColor = color;\n\t\t\t}\n\t\t\t";g.registerNodeType("texture/toviewport",d);q=function(){this.addInput("Texture","Texture");this.addOutput("","Texture");this.properties={size:0,generate_mipmaps:!1,
+precision:f.DEFAULT}};q.title="Copy";q.desc="Copy Texture";q.widgets_info={size:{widget:"combo",values:[0,32,64,128,256,512,1024,2048]},precision:{widget:"combo",values:f.MODE_VALUES}};q.prototype.onExecute=function(){var a=this.getInputData(0);if((a||this._temp_texture)&&this.isOutputConnected(0)){if(a){var b=a.width,c=a.height;0!=this.properties.size&&(c=b=this.properties.size);var d=this._temp_texture,e=a.type;this.properties.precision===f.LOW?e=gl.UNSIGNED_BYTE:this.properties.precision===f.HIGH&&
+(e=gl.HIGH_PRECISION_FORMAT);d&&d.width==b&&d.height==c&&d.type==e||(d=gl.LINEAR,this.properties.generate_mipmaps&&isPowerOfTwo(b)&&isPowerOfTwo(c)&&(d=gl.LINEAR_MIPMAP_LINEAR),this._temp_texture=new GL.Texture(b,c,{type:e,format:gl.RGBA,minFilter:d,magFilter:gl.LINEAR}));a.copyTo(this._temp_texture);this.properties.generate_mipmaps&&(this._temp_texture.bind(0),gl.generateMipmap(this._temp_texture.texture_type),this._temp_texture.unbind(0))}this.setOutputData(0,this._temp_texture)}};g.registerNodeType("texture/copy",
+q);var s=function(){this.addInput("Texture","Texture");this.addOutput("","Texture");this.properties={iterations:1,generate_mipmaps:!1,precision:f.DEFAULT}};s.title="Downsample";s.desc="Downsample Texture";s.widgets_info={iterations:{type:"number",step:1,precision:0,min:1},precision:{widget:"combo",values:f.MODE_VALUES}};s.prototype.onExecute=function(){var a=this.getInputData(0);if((a||this._temp_texture)&&this.isOutputConnected(0)&&a&&a.texture_type===GL.TEXTURE_2D){var b=s._shader;b||(s._shader=
+b=new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER,s.pixel_shader));var c=a.width|0,d=a.height|0,e=a.type;this.properties.precision===f.LOW?e=gl.UNSIGNED_BYTE:this.properties.precision===f.HIGH&&(e=gl.HIGH_PRECISION_FORMAT);var n=this.properties.iterations||1,l=a,h=null,g=[],a={type:e,format:a.format},e=vec2.create(),k={u_offset:e};this._texture&&GL.Texture.releaseTemporary(this._texture);for(var u=0;u<n;++u){e[0]=1/c;e[1]=1/d;c=c>>1||0;d=d>>1||0;h=GL.Texture.getTemporary(c,d,a);g.push(h);l.setParameter(GL.TEXTURE_MAG_FILTER,
+GL.NEAREST);l.copyTo(h,b,k);if(1==c&&1==d)break;l=h}this._texture=g.pop();for(u=0;u<g.length;++u)GL.Texture.releaseTemporary(g[u]);this.properties.generate_mipmaps&&(this._texture.bind(0),gl.generateMipmap(this._texture.texture_type),this._texture.unbind(0));this.setOutputData(0,this._texture)}};s.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 u_offset;\n\t\t\tvarying vec2 v_coord;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord );\n\t\t\t\tcolor += texture2D(u_texture, v_coord + vec2( u_offset.x, 0.0 ) );\n\t\t\t\tcolor += texture2D(u_texture, v_coord + vec2( 0.0, u_offset.y ) );\n\t\t\t\tcolor += texture2D(u_texture, v_coord + vec2( u_offset.x, u_offset.y ) );\n\t\t\t   gl_FragColor = color * 0.25;\n\t\t\t}\n\t\t\t";
+g.registerNodeType("texture/downsample",s);var l=function(){this.addInput("Texture","Texture");this.addOutput("","Texture");this.properties={mipmap_offset:0,low_precision:!1};this._uniforms={u_texture:0,u_mipmap_offset:this.properties.mipmap_offset}};l.title="Average";l.desc="Compute a partial average (32 random samples) of a texture and stores it as a 1x1 pixel texture";l.prototype.onExecute=function(){var a=this.getInputData(0);if(a&&this.isOutputConnected(0)){if(!l._shader){l._shader=new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER,
+l.pixel_shader);for(var b=new Float32Array(32),c=0;32>c;++c)b[c]=Math.random();l._shader.uniforms({u_samples_a:b.subarray(0,16),u_samples_b:b.subarray(16,32)})}b=this._temp_texture;c=this.properties.low_precision?gl.UNSIGNED_BYTE:a.type;b&&b.type==c||(this._temp_texture=new GL.Texture(1,1,{type:c,format:gl.RGBA,filter:gl.NEAREST}));var d=l._shader,e=this._uniforms;e.u_mipmap_offset=this.properties.mipmap_offset;this._temp_texture.drawTo(function(){a.toViewport(d,e)});this.setOutputData(0,this._temp_texture)}};
+l.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tuniform mat4 u_samples_a;\n\t\t\tuniform mat4 u_samples_b;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform float u_mipmap_offset;\n\t\t\tvarying vec2 v_coord;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = vec4(0.0);\n\t\t\t\tfor(int i = 0; i < 4; ++i)\n\t\t\t\t\tfor(int j = 0; j < 4; ++j)\n\t\t\t\t\t{\n\t\t\t\t\t\tcolor += texture2D(u_texture, vec2( u_samples_a[i][j], u_samples_b[i][j] ), u_mipmap_offset );\n\t\t\t\t\t\tcolor += texture2D(u_texture, vec2( 1.0 - u_samples_a[i][j], 1.0 - u_samples_b[i][j] ), u_mipmap_offset );\n\t\t\t\t\t}\n\t\t\t   gl_FragColor = color * 0.03125;\n\t\t\t}\n\t\t\t";
+g.registerNodeType("texture/average",l);q=function(){this.addInput("Image","image");this.addOutput("","Texture");this.properties={}};q.title="Image to Texture";q.desc="Uploads an image to the GPU";q.prototype.onExecute=function(){var a=this.getInputData(0);if(a){var b=a.videoWidth||a.width,c=a.videoHeight||a.height;if(a.gltexture)this.setOutputData(0,a.gltexture);else{var d=this._temp_texture;d&&d.width==b&&d.height==c||(this._temp_texture=new GL.Texture(b,c,{format:gl.RGBA,filter:gl.LINEAR}));try{this._temp_texture.uploadImage(a)}catch(e){console.error("image comes from an unsafe location, cannot be uploaded to webgl");
+return}this.setOutputData(0,this._temp_texture)}}};g.registerNodeType("texture/imageToTexture",q);var a=function(){this.addInput("Texture","Texture");this.addInput("LUT","Texture");this.addInput("Intensity","number");this.addOutput("","Texture");this.properties={intensity:1,precision:f.DEFAULT,texture:null};a._shader||(a._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,a.pixel_shader))};a.widgets_info={precision:{widget:"combo",values:f.MODE_VALUES}};a.title="LUT";a.desc="Apply LUT to Texture";a.widgets_info=
+{texture:{widget:"texture"}};a.prototype.onExecute=function(){if(this.isOutputConnected(0)){var b=this.getInputData(0);if(this.properties.precision===f.PASS_THROUGH)this.setOutputData(0,b);else if(b){var c=this.getInputData(1);c||(c=f.getTexture(this.properties.texture));if(c){c.bind(0);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,gl.LINEAR);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,gl.CLAMP_TO_EDGE);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,gl.CLAMP_TO_EDGE);gl.bindTexture(gl.TEXTURE_2D,
+null);var d=this.properties.intensity;this.isInputConnected(2)&&(this.properties.intensity=d=this.getInputData(2));this._tex=f.getTargetTexture(b,this._tex,this.properties.precision);this._tex.drawTo(function(){c.bind(1);b.toViewport(a._shader,{u_texture:0,u_textureB:1,u_amount:d})});this.setOutputData(0,this._tex)}else this.setOutputData(0,b)}}};a.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_textureB;\n\t\t\tuniform float u_amount;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\t lowp vec4 textureColor = clamp( texture2D(u_texture, v_coord), vec4(0.0), vec4(1.0) );\n\t\t\t\t mediump float blueColor = textureColor.b * 63.0;\n\t\t\t\t mediump vec2 quad1;\n\t\t\t\t quad1.y = floor(floor(blueColor) / 8.0);\n\t\t\t\t quad1.x = floor(blueColor) - (quad1.y * 8.0);\n\t\t\t\t mediump vec2 quad2;\n\t\t\t\t quad2.y = floor(ceil(blueColor) / 8.0);\n\t\t\t\t quad2.x = ceil(blueColor) - (quad2.y * 8.0);\n\t\t\t\t highp vec2 texPos1;\n\t\t\t\t texPos1.x = (quad1.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.r);\n\t\t\t\t texPos1.y = 1.0 - ((quad1.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.g));\n\t\t\t\t highp vec2 texPos2;\n\t\t\t\t texPos2.x = (quad2.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.r);\n\t\t\t\t texPos2.y = 1.0 - ((quad2.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.g));\n\t\t\t\t lowp vec4 newColor1 = texture2D(u_textureB, texPos1);\n\t\t\t\t lowp vec4 newColor2 = texture2D(u_textureB, texPos2);\n\t\t\t\t lowp vec4 newColor = mix(newColor1, newColor2, fract(blueColor));\n\t\t\t\t gl_FragColor = vec4( mix( textureColor.rgb, newColor.rgb, u_amount), textureColor.w);\n\t\t\t}\n\t\t\t";
+g.registerNodeType("texture/LUT",a);var b=function(){this.addInput("Texture","Texture");this.addOutput("R","Texture");this.addOutput("G","Texture");this.addOutput("B","Texture");this.addOutput("A","Texture");this.properties={};b._shader||(b._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,b.pixel_shader))};b.title="Texture to Channels";b.desc="Split texture channels";b.prototype.onExecute=function(){var a=this.getInputData(0);if(a){this._channels||(this._channels=Array(4));for(var c=0,d=0;4>d;d++)this.isOutputConnected(d)?
+(this._channels[d]&&this._channels[d].width==a.width&&this._channels[d].height==a.height&&this._channels[d].type==a.type||(this._channels[d]=new GL.Texture(a.width,a.height,{type:a.type,format:gl.RGBA,filter:gl.LINEAR})),c++):this._channels[d]=null;if(c){gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);for(var e=Mesh.getScreenQuad(),f=b._shader,n=[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]],d=0;4>d;d++)this._channels[d]&&(this._channels[d].drawTo(function(){a.bind(0);f.uniforms({u_texture:0,u_mask:n[d]}).draw(e)}),
+this.setOutputData(d,this._channels[d]))}}};b.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec4 u_mask;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t   gl_FragColor = vec4( vec3( length( texture2D(u_texture, v_coord) * u_mask )), 1.0 );\n\t\t\t}\n\t\t\t";g.registerNodeType("texture/textureChannels",b);var c=function(){this.addInput("R","Texture");this.addInput("G","Texture");this.addInput("B","Texture");this.addInput("A",
+"Texture");this.addOutput("Texture","Texture");this.properties={};c._shader||(c._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,c.pixel_shader))};c.title="Channels to Texture";c.desc="Split texture channels";c.prototype.onExecute=function(){var a=[this.getInputData(0),this.getInputData(1),this.getInputData(2),this.getInputData(3)];if(a[0]&&a[1]&&a[2]&&a[3]){gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);var b=Mesh.getScreenQuad(),d=c._shader;this._tex=f.getTargetTexture(a[0],this._tex);this._tex.drawTo(function(){a[0].bind(0);
+a[1].bind(1);a[2].bind(2);a[3].bind(3);d.uniforms({u_textureR:0,u_textureG:1,u_textureB:2,u_textureA:3}).draw(b)});this.setOutputData(0,this._tex)}};c.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_textureR;\n\t\t\tuniform sampler2D u_textureG;\n\t\t\tuniform sampler2D u_textureB;\n\t\t\tuniform sampler2D u_textureA;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t   gl_FragColor = vec4( \t\t\t\t\t\ttexture2D(u_textureR, v_coord).r,\t\t\t\t\t\ttexture2D(u_textureG, v_coord).r,\t\t\t\t\t\ttexture2D(u_textureB, v_coord).r,\t\t\t\t\t\ttexture2D(u_textureA, v_coord).r);\n\t\t\t}\n\t\t\t";
+g.registerNodeType("texture/channelsTexture",c);var h=function(){this.addInput("A","color");this.addInput("B","color");this.addOutput("Texture","Texture");this.properties={angle:0,scale:1,A:[0,0,0],B:[1,1,1],texture_size:32};h._shader||(h._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,h.pixel_shader));this._uniforms={u_angle:0,u_colorA:vec3.create(),u_colorB:vec3.create()}};h.title="Gradient";h.desc="Generates a gradient";h["@A"]={type:"color"};h["@B"]={type:"color"};h["@texture_size"]={type:"enum",
+values:[32,64,128,256,512]};h.prototype.onExecute=function(){gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);var a=GL.Mesh.getScreenQuad(),b=h._shader,c=this.getInputData(0);c||(c=this.properties.A);var d=this.getInputData(1);d||(d=this.properties.B);for(var e=2;e<this.inputs.length;e++){var f=this.inputs[e],n=this.getInputData(e);void 0!==n&&(this.properties[f.name]=n)}var l=this._uniforms;this._uniforms.u_angle=this.properties.angle*DEG2RAD;this._uniforms.u_scale=this.properties.scale;vec3.copy(l.u_colorA,
+c);vec3.copy(l.u_colorB,d);c=parseInt(this.properties.texture_size);this._tex&&this._tex.width==c||(this._tex=new GL.Texture(c,c,{format:gl.RGB,filter:gl.LINEAR}));this._tex.drawTo(function(){b.uniforms(l).draw(a)});this.setOutputData(0,this._tex)};h.prototype.onGetInputs=function(){return[["angle","number"],["scale","number"]]};h.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform float u_angle;\n\t\t\tuniform float u_scale;\n\t\t\tuniform vec3 u_colorA;\n\t\t\tuniform vec3 u_colorB;\n\t\t\t\n\t\t\tvec2 rotate(vec2 v, float angle)\n\t\t\t{\n\t\t\t\tvec2 result;\n\t\t\t\tfloat _cos = cos(angle);\n\t\t\t\tfloat _sin = sin(angle);\n\t\t\t\tresult.x = v.x * _cos - v.y * _sin;\n\t\t\t\tresult.y = v.x * _sin + v.y * _cos;\n\t\t\t\treturn result;\n\t\t\t}\n\t\t\tvoid main() {\n\t\t\t\tfloat f = (rotate(u_scale * (v_coord - vec2(0.5)), u_angle) + vec2(0.5)).x;\n\t\t\t\tvec3 color = mix(u_colorA,u_colorB,clamp(f,0.0,1.0));\n\t\t\t   gl_FragColor = vec4(color,1.0);\n\t\t\t}\n\t\t\t";
+g.registerNodeType("texture/gradient",h);var k=function(){this.addInput("A","Texture");this.addInput("B","Texture");this.addInput("Mixer","Texture");this.addOutput("Texture","Texture");this.properties={precision:f.DEFAULT};k._shader||(k._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,k.pixel_shader))};k.title="Mix";k.desc="Generates a texture mixing two textures";k.widgets_info={precision:{widget:"combo",values:f.MODE_VALUES}};k.prototype.onExecute=function(){var a=this.getInputData(0);if(this.isOutputConnected(0))if(this.properties.precision===
+f.PASS_THROUGH)this.setOutputData(0,a);else{var b=this.getInputData(1),c=this.getInputData(2);if(a&&b&&c){this._tex=f.getTargetTexture(a,this._tex,this.properties.precision);gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);var d=Mesh.getScreenQuad(),e=k._shader;this._tex.drawTo(function(){a.bind(0);b.bind(1);c.bind(2);e.uniforms({u_textureA:0,u_textureB:1,u_textureMix:2}).draw(d)});this.setOutputData(0,this._tex)}}};k.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_textureA;\n\t\t\tuniform sampler2D u_textureB;\n\t\t\tuniform sampler2D u_textureMix;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t   gl_FragColor = mix( texture2D(u_textureA, v_coord), texture2D(u_textureB, v_coord), texture2D(u_textureMix, v_coord) );\n\t\t\t}\n\t\t\t";
+g.registerNodeType("texture/mix",k);var r=function(){this.addInput("Tex.","Texture");this.addOutput("Edges","Texture");this.properties={invert:!0,factor:1,precision:f.DEFAULT};r._shader||(r._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,r.pixel_shader))};r.title="Edges";r.desc="Detects edges";r.widgets_info={precision:{widget:"combo",values:f.MODE_VALUES}};r.prototype.onExecute=function(){if(this.isOutputConnected(0)){var a=this.getInputData(0);if(this.properties.precision===f.PASS_THROUGH)this.setOutputData(0,
+a);else if(a){this._tex=f.getTargetTexture(a,this._tex,this.properties.precision);gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);var b=Mesh.getScreenQuad(),c=r._shader,d=this.properties.invert,e=this.properties.factor;this._tex.drawTo(function(){a.bind(0);c.uniforms({u_texture:0,u_isize:[1/a.width,1/a.height],u_factor:e,u_invert:d?1:0}).draw(b)});this.setOutputData(0,this._tex)}}};r.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 u_isize;\n\t\t\tuniform int u_invert;\n\t\t\tuniform float u_factor;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 center = texture2D(u_texture, v_coord);\n\t\t\t\tvec4 up = texture2D(u_texture, v_coord + u_isize * vec2(0.0,1.0) );\n\t\t\t\tvec4 down = texture2D(u_texture, v_coord + u_isize * vec2(0.0,-1.0) );\n\t\t\t\tvec4 left = texture2D(u_texture, v_coord + u_isize * vec2(1.0,0.0) );\n\t\t\t\tvec4 right = texture2D(u_texture, v_coord + u_isize * vec2(-1.0,0.0) );\n\t\t\t\tvec4 diff = abs(center - up) + abs(center - down) + abs(center - left) + abs(center - right);\n\t\t\t\tdiff *= u_factor;\n\t\t\t\tif(u_invert == 1)\n\t\t\t\t\tdiff.xyz = vec3(1.0) - diff.xyz;\n\t\t\t   gl_FragColor = vec4( diff.xyz, center.a );\n\t\t\t}\n\t\t\t";
+g.registerNodeType("texture/edges",r);var n=function(){this.addInput("Texture","Texture");this.addInput("Distance","number");this.addInput("Range","number");this.addOutput("Texture","Texture");this.properties={distance:100,range:50,only_depth:!1,high_precision:!1};this._uniforms={u_texture:0,u_distance:100,u_range:50,u_camera_planes:null}};n.title="Depth Range";n.desc="Generates a texture with a depth range";n.prototype.onExecute=function(){if(this.isOutputConnected(0)){var a=this.getInputData(0);
 if(a){var b=gl.UNSIGNED_BYTE;this.properties.high_precision&&(b=gl.half_float_ext?gl.HALF_FLOAT_OES:gl.FLOAT);this._temp_texture&&this._temp_texture.type==b&&this._temp_texture.width==a.width&&this._temp_texture.height==a.height||(this._temp_texture=new GL.Texture(a.width,a.height,{type:b,format:gl.RGBA,filter:gl.LINEAR}));var c=this._uniforms,b=this.properties.distance;this.isInputConnected(1)&&(b=this.getInputData(1),this.properties.distance=b);var d=this.properties.range;this.isInputConnected(2)&&
 (d=this.getInputData(2),this.properties.range=d);c.u_distance=b;c.u_range=d;gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);var e=Mesh.getScreenQuad();n._shader||(n._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,n.pixel_shader),n._shader_onlydepth=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,n.pixel_shader,{ONLY_DEPTH:""}));var f=this.properties.only_depth?n._shader_onlydepth:n._shader,b=null,b=a.near_far_planes?a.near_far_planes:window.LS&&LS.Renderer._main_camera?LS.Renderer._main_camera._uniforms.u_camera_planes:
 [0.1,1E3];c.u_camera_planes=b;this._temp_texture.drawTo(function(){a.bind(0);f.uniforms(c).draw(e)});this.setOutputData(0,this._temp_texture)}}};n.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 u_camera_planes;\n\t\t\tuniform float u_distance;\n\t\t\tuniform float u_range;\n\t\t\t\n\t\t\tfloat LinearDepth()\n\t\t\t{\n\t\t\t\tfloat zNear = u_camera_planes.x;\n\t\t\t\tfloat zFar = u_camera_planes.y;\n\t\t\t\tfloat depth = texture2D(u_texture, v_coord).x;\n\t\t\t\tdepth = depth * 2.0 - 1.0;\n\t\t\t\treturn zNear * (depth + 1.0) / (zFar + zNear - depth * (zFar - zNear));\n\t\t\t}\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tfloat depth = LinearDepth();\n\t\t\t\t#ifdef ONLY_DEPTH\n\t\t\t\t   gl_FragColor = vec4(depth);\n\t\t\t\t#else\n\t\t\t\t\tfloat diff = abs(depth * u_camera_planes.y - u_distance);\n\t\t\t\t\tfloat dof = 1.0;\n\t\t\t\t\tif(diff <= u_range)\n\t\t\t\t\t\tdof = diff / u_range;\n\t\t\t\t   gl_FragColor = vec4(dof);\n\t\t\t\t#endif\n\t\t\t}\n\t\t\t";
-e.registerNodeType("texture/depth_range",n);var y=function(){this.addInput("Texture","Texture");this.addInput("Iterations","number");this.addInput("Intensity","number");this.addOutput("Blurred","Texture");this.properties={intensity:1,iterations:1,preserve_aspect:!1,scale:[1,1]}};y.title="Blur";y.desc="Blur a texture";y.max_iterations=20;y.prototype.onExecute=function(){var a=this.getInputData(0);if(a&&this.isOutputConnected(0)){var b=this._temp_texture;b&&b.width==a.width&&b.height==a.height&&b.type==
-a.type||(this._temp_texture=new GL.Texture(a.width,a.height,{type:a.type,format:gl.RGBA,filter:gl.LINEAR}),this._final_texture=new GL.Texture(a.width,a.height,{type:a.type,format:gl.RGBA,filter:gl.LINEAR}));b=this.properties.iterations;this.isInputConnected(1)&&(b=this.getInputData(1),this.properties.iterations=b);b=Math.min(Math.floor(b),y.max_iterations);if(0==b)this.setOutputData(0,a);else{var c=this.properties.intensity;this.isInputConnected(2)&&(c=this.getInputData(2),this.properties.intensity=
-c);var d=e.camera_aspect;d||void 0===window.gl||(d=gl.canvas.height/gl.canvas.width);d||(d=1);for(var d=this.properties.preserve_aspect?d:1,f=this.properties.scale||[1,1],h=0;h<b;++h)a.applyBlur(d*f[0]*h,f[1]*h,c,this._temp_texture,this._final_texture),a=this._final_texture;this.setOutputData(0,this._final_texture)}}};y.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 u_offset;\n\t\t\tuniform float u_intensity;\n\t\t\tvoid main() {\n\t\t\t   vec4 sum = vec4(0.0);\n\t\t\t   vec4 center = texture2D(u_texture, v_coord);\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * -4.0) * 0.05/0.98;\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * -3.0) * 0.09/0.98;\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * -2.0) * 0.12/0.98;\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * -1.0) * 0.15/0.98;\n\t\t\t   sum += center * 0.16/0.98;\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * 4.0) * 0.05/0.98;\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * 3.0) * 0.09/0.98;\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * 2.0) * 0.12/0.98;\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * 1.0) * 0.15/0.98;\n\t\t\t   gl_FragColor = u_intensity * sum;\n\t\t\t   /*gl_FragColor.a = center.a*/;\n\t\t\t}\n\t\t\t";
-e.registerNodeType("texture/blur",y);var x=function(){this.addInput("Texture","Texture");this.addOutput("Filtered","Texture");this.properties={intensity:1,radius:5}};x.title="Kuwahara Filter";x.desc="Filters a texture giving an artistic oil canvas painting";x.max_radius=10;x._shaders=[];x.prototype.onExecute=function(){var a=this.getInputData(0);if(a&&this.isOutputConnected(0)){var b=this._temp_texture;b&&b.width==a.width&&b.height==a.height&&b.type==a.type||(this._temp_texture=new GL.Texture(a.width,
-a.height,{type:a.type,format:gl.RGBA,filter:gl.LINEAR}));b=this.properties.radius;b=Math.min(Math.floor(b),x.max_radius);if(0==b)this.setOutputData(0,a);else{var c=this.properties.intensity,d=e.camera_aspect;d||void 0===window.gl||(d=gl.canvas.height/gl.canvas.width);d||(d=1);d=this.properties.preserve_aspect?d:1;x._shaders[b]||(x._shaders[b]=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,x.pixel_shader,{RADIUS:b.toFixed(0)}));var f=x._shaders[b],h=GL.Mesh.getScreenQuad();a.bind(0);this._temp_texture.drawTo(function(){f.uniforms({u_texture:0,
-u_intensity:c,u_resolution:[a.width,a.height],u_iResolution:[1/a.width,1/a.height]}).draw(h)});this.setOutputData(0,this._temp_texture)}}};x.pixel_shader="\n\tprecision highp float;\n\tvarying vec2 v_coord;\n\tuniform sampler2D u_texture;\n\tuniform float u_intensity;\n\tuniform vec2 u_resolution;\n\tuniform vec2 u_iResolution;\n\t#ifndef RADIUS\n\t\t#define RADIUS 7\n\t#endif\n\tvoid main() {\n\t\n\t\tconst int radius = RADIUS;\n\t\tvec2 fragCoord = v_coord;\n\t\tvec2 src_size = u_iResolution;\n\t\tvec2 uv = v_coord;\n\t\tfloat n = float((radius + 1) * (radius + 1));\n\t\tint i;\n\t\tint j;\n\t\tvec3 m0 = vec3(0.0); vec3 m1 = vec3(0.0); vec3 m2 = vec3(0.0); vec3 m3 = vec3(0.0);\n\t\tvec3 s0 = vec3(0.0); vec3 s1 = vec3(0.0); vec3 s2 = vec3(0.0); vec3 s3 = vec3(0.0);\n\t\tvec3 c;\n\t\t\n\t\tfor (int j = -radius; j <= 0; ++j)  {\n\t\t\tfor (int i = -radius; i <= 0; ++i)  {\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\t\t\t\tm0 += c;\n\t\t\t\ts0 += c * c;\n\t\t\t}\n\t\t}\n\t\t\n\t\tfor (int j = -radius; j <= 0; ++j)  {\n\t\t\tfor (int i = 0; i <= radius; ++i)  {\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\t\t\t\tm1 += c;\n\t\t\t\ts1 += c * c;\n\t\t\t}\n\t\t}\n\t\t\n\t\tfor (int j = 0; j <= radius; ++j)  {\n\t\t\tfor (int i = 0; i <= radius; ++i)  {\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\t\t\t\tm2 += c;\n\t\t\t\ts2 += c * c;\n\t\t\t}\n\t\t}\n\t\t\n\t\tfor (int j = 0; j <= radius; ++j)  {\n\t\t\tfor (int i = -radius; i <= 0; ++i)  {\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\t\t\t\tm3 += c;\n\t\t\t\ts3 += c * c;\n\t\t\t}\n\t\t}\n\t\t\n\t\tfloat min_sigma2 = 1e+2;\n\t\tm0 /= n;\n\t\ts0 = abs(s0 / n - m0 * m0);\n\t\t\n\t\tfloat sigma2 = s0.r + s0.g + s0.b;\n\t\tif (sigma2 < min_sigma2) {\n\t\t\tmin_sigma2 = sigma2;\n\t\t\tgl_FragColor = vec4(m0, 1.0);\n\t\t}\n\t\t\n\t\tm1 /= n;\n\t\ts1 = abs(s1 / n - m1 * m1);\n\t\t\n\t\tsigma2 = s1.r + s1.g + s1.b;\n\t\tif (sigma2 < min_sigma2) {\n\t\t\tmin_sigma2 = sigma2;\n\t\t\tgl_FragColor = vec4(m1, 1.0);\n\t\t}\n\t\t\n\t\tm2 /= n;\n\t\ts2 = abs(s2 / n - m2 * m2);\n\t\t\n\t\tsigma2 = s2.r + s2.g + s2.b;\n\t\tif (sigma2 < min_sigma2) {\n\t\t\tmin_sigma2 = sigma2;\n\t\t\tgl_FragColor = vec4(m2, 1.0);\n\t\t}\n\t\t\n\t\tm3 /= n;\n\t\ts3 = abs(s3 / n - m3 * m3);\n\t\t\n\t\tsigma2 = s3.r + s3.g + s3.b;\n\t\tif (sigma2 < min_sigma2) {\n\t\t\tmin_sigma2 = sigma2;\n\t\t\tgl_FragColor = vec4(m3, 1.0);\n\t\t}\n\t}\n\t";
-e.registerNodeType("texture/kuwahara",x);r=function(){this.addOutput("Webcam","Texture");this.properties={texture_name:""}};r.title="Webcam";r.desc="Webcam texture";r.prototype.openStream=function(){function a(c){console.log("Webcam rejected",c);b._webcam_stream=!1;b.box_color="red"}navigator.getUserMedia=navigator.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia||navigator.msGetUserMedia;window.URL=window.URL||window.webkitURL;if(navigator.getUserMedia){this._waiting_confirmation=
-!0;var b=this;navigator.getUserMedia({video:!0},this.streamReady.bind(this),a)}};r.prototype.streamReady=function(a){this._webcam_stream=a;var b=this._video;b||(b=document.createElement("video"),b.autoplay=!0,b.src=window.URL.createObjectURL(a),this._video=b,b.onloadedmetadata=function(a){console.log(a)})};r.prototype.onRemoved=function(){this._webcam_stream&&(this._webcam_stream.stop(),this._video=this._webcam_stream=null)};r.prototype.onDrawBackground=function(a){this.flags.collapsed||20>=this.size[1]||
-!this._video||(a.save(),a.webgl?this._temp_texture&&a.drawImage(this._temp_texture,0,0,this.size[0],this.size[1]):(a.translate(0,this.size[1]),a.scale(1,-1),a.drawImage(this._video,0,0,this.size[0],this.size[1])),a.restore())};r.prototype.onExecute=function(){null!=this._webcam_stream||this._waiting_confirmation||this.openStream();if(this._video&&this._video.videoWidth){var a=this._video.videoWidth,b=this._video.videoHeight,c=this._temp_texture;c&&c.width==a&&c.height==b||(this._temp_texture=new GL.Texture(a,
-b,{format:gl.RGB,filter:gl.LINEAR}));this._temp_texture.uploadImage(this._video);this.properties.texture_name&&(g.getTexturesContainer()[this.properties.texture_name]=this._temp_texture);this.setOutputData(0,this._temp_texture)}};e.registerNodeType("texture/webcam",r);var z=function(){this.addInput("in","Texture");this.addOutput("out","Texture");this.properties={key_color:vec3.fromValues(0,1,0),threshold:0.8,slope:0.2,precision:g.DEFAULT};z._shader||(z._shader=new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER,
-z.pixel_shader))};z.title="Matte";z.desc="Extracts background";z.widgets_info={key_color:{widget:"color"},precision:{widget:"combo",values:g.MODE_VALUES}};z.prototype.onExecute=function(){if(this.isOutputConnected(0)){var a=this.getInputData(0);if(this.properties.precision===g.PASS_THROUGH)this.setOutputData(0,a);else if(a){this._tex=g.getTargetTexture(a,this._tex,this.properties.precision);gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);this._uniforms||(this._uniforms={u_texture:0,u_key_color:this.properties.key_color,
-u_threshold:1,u_slope:1});var b=this._uniforms,c=Mesh.getScreenQuad(),d=z._shader;b.u_key_color=this.properties.key_color;b.u_threshold=this.properties.threshold;b.u_slope=this.properties.slope;this._tex.drawTo(function(){a.bind(0);d.uniforms(b).draw(c)});this.setOutputData(0,this._tex)}}};z.pixel_shader="precision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec3 u_key_color;\n\t\t\tuniform float u_threshold;\n\t\t\tuniform float u_slope;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec3 color = texture2D( u_texture, v_coord ).xyz;\n\t\t\t\tfloat diff = length( normalize(color) - normalize(u_key_color) );\n\t\t\t\tfloat edge = u_threshold * (1.0 - u_slope);\n\t\t\t\tfloat alpha = smoothstep( edge, u_threshold, diff);\n\t\t\t\tgl_FragColor = vec4( color, alpha );\n\t\t\t}";
-e.registerNodeType("texture/matte",z);r=function(){this.addOutput("Cubemap","Cubemap");this.properties={name:""};this.size=[g.image_preview_size,g.image_preview_size]};r.title="Cubemap";r.prototype.onDropFile=function(a,b,c){a?(this._drop_texture="string"==typeof a?GL.Texture.fromURL(a):GL.Texture.fromDDSInMemory(a),this.properties.name=b):(this._drop_texture=null,this.properties.name="")};r.prototype.onExecute=function(){if(this._drop_texture)this.setOutputData(0,this._drop_texture);else if(this.properties.name){var a=
-g.getTexture(this.properties.name);a&&(this._last_tex=a,this.setOutputData(0,a))}};r.prototype.onDrawBackground=function(a){this.flags.collapsed||20>=this.size[1]||a.webgl&&(gl.meshes.cube||(gl.meshes.cube=GL.Mesh.cube({size:1})))};e.registerNodeType("texture/cubemap",r)}})(this);
-(function(r){var e=r.LiteGraph;if("undefined"!=typeof GL){var g=function(){this.addInput("Texture","Texture");this.addInput("Aberration","number");this.addInput("Distortion","number");this.addInput("Blur","number");this.addOutput("Texture","Texture");this.properties={aberration:1,distortion:1,blur:1,precision:LGraphTexture.DEFAULT};g._shader||(g._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,g.pixel_shader),g._texture=new GL.Texture(3,1,{format:gl.RGB,wrap:gl.CLAMP_TO_EDGE,magFilter:gl.LINEAR,
-minFilter:gl.LINEAR,pixel_data:[255,0,0,0,255,0,0,0,255]}))};g.title="Lens";g.desc="Camera Lens distortion";g.widgets_info={precision:{widget:"combo",values:LGraphTexture.MODE_VALUES}};g.prototype.onExecute=function(){var d=this.getInputData(0);if(this.properties.precision===LGraphTexture.PASS_THROUGH)this.setOutputData(0,d);else if(d){this._tex=LGraphTexture.getTargetTexture(d,this._tex,this.properties.precision);var e=this.properties.aberration;this.isInputConnected(1)&&(e=this.getInputData(1),
-this.properties.aberration=e);var f=this.properties.distortion;this.isInputConnected(2)&&(f=this.getInputData(2),this.properties.distortion=f);var l=this.properties.blur;this.isInputConnected(3)&&(l=this.getInputData(3),this.properties.blur=l);gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);var a=Mesh.getScreenQuad(),b=g._shader;this._tex.drawTo(function(){d.bind(0);b.uniforms({u_texture:0,u_aberration:e,u_distortion:f,u_blur:l}).draw(a)});this.setOutputData(0,this._tex)}};g.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 u_camera_planes;\n\t\t\tuniform float u_aberration;\n\t\t\tuniform float u_distortion;\n\t\t\tuniform float u_blur;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec2 coord = v_coord;\n\t\t\t\tfloat dist = distance(vec2(0.5), coord);\n\t\t\t\tvec2 dist_coord = coord - vec2(0.5);\n\t\t\t\tfloat percent = 1.0 + ((0.5 - dist) / 0.5) * u_distortion;\n\t\t\t\tdist_coord *= percent;\n\t\t\t\tcoord = dist_coord + vec2(0.5);\n\t\t\t\tvec4 color = texture2D(u_texture,coord, u_blur * dist);\n\t\t\t\tcolor.r = texture2D(u_texture,vec2(0.5) + dist_coord * (1.0+0.01*u_aberration), u_blur * dist ).r;\n\t\t\t\tcolor.b = texture2D(u_texture,vec2(0.5) + dist_coord * (1.0-0.01*u_aberration), u_blur * dist ).b;\n\t\t\t\tgl_FragColor = color;\n\t\t\t}\n\t\t\t";
-e.registerNodeType("fx/lens",g);window.LGraphFXLens=g;var d=function(){this.addInput("Texture","Texture");this.addInput("Blurred","Texture");this.addInput("Mask","Texture");this.addInput("Threshold","number");this.addOutput("Texture","Texture");this.properties={shape:"",size:10,alpha:1,threshold:1,high_precision:!1}};d.title="Bokeh";d.desc="applies an Bokeh effect";d.widgets_info={shape:{widget:"texture"}};d.prototype.onExecute=function(){var e=this.getInputData(0),g=this.getInputData(1),f=this.getInputData(2);
-if(e&&f&&this.properties.shape){g||(g=e);var l=LGraphTexture.getTexture(this.properties.shape);if(l){var a=this.properties.threshold;this.isInputConnected(3)&&(a=this.getInputData(3),this.properties.threshold=a);var b=gl.UNSIGNED_BYTE;this.properties.high_precision&&(b=gl.half_float_ext?gl.HALF_FLOAT_OES:gl.FLOAT);this._temp_texture&&this._temp_texture.type==b&&this._temp_texture.width==e.width&&this._temp_texture.height==e.height||(this._temp_texture=new GL.Texture(e.width,e.height,{type:b,format:gl.RGBA,
-filter:gl.LINEAR}));var c=d._first_shader;c||(c=d._first_shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,d._first_pixel_shader));var h=d._second_shader;h||(h=d._second_shader=new GL.Shader(d._second_vertex_shader,d._second_pixel_shader));var k=this._points_mesh;k&&k._width==e.width&&k._height==e.height&&2==k._spacing||(k=this.createPointsMesh(e.width,e.height,2));var q=Mesh.getScreenQuad(),s=this.properties.size,n=this.properties.alpha;gl.disable(gl.DEPTH_TEST);gl.disable(gl.BLEND);this._temp_texture.drawTo(function(){e.bind(0);
-g.bind(1);f.bind(2);c.uniforms({u_texture:0,u_texture_blur:1,u_mask:2,u_texsize:[e.width,e.height]}).draw(q)});this._temp_texture.drawTo(function(){gl.enable(gl.BLEND);gl.blendFunc(gl.ONE,gl.ONE);e.bind(0);l.bind(3);h.uniforms({u_texture:0,u_mask:2,u_shape:3,u_alpha:n,u_threshold:a,u_pointSize:s,u_itexsize:[1/e.width,1/e.height]}).draw(k,gl.POINTS)});this.setOutputData(0,this._temp_texture)}}else this.setOutputData(0,e)};d.prototype.createPointsMesh=function(d,e,f){for(var g=Math.round(d/f),a=Math.round(e/
-f),b=new Float32Array(g*a*2),c=-1,h=2/d*f,l=2/e*f,q=0;q<a;++q){for(var s=-1,n=0;n<g;++n){var y=q*g*2+2*n;b[y]=s;b[y+1]=c;s+=h}c+=l}this._points_mesh=GL.Mesh.load({vertices2D:b});this._points_mesh._width=d;this._points_mesh._height=e;this._points_mesh._spacing=f;return this._points_mesh};d._first_pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_texture_blur;\n\t\t\tuniform sampler2D u_mask;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\t\t\t\tvec4 blurred_color = texture2D(u_texture_blur, v_coord);\n\t\t\t\tfloat mask = texture2D(u_mask, v_coord).x;\n\t\t\t   gl_FragColor = mix(color, blurred_color, mask);\n\t\t\t}\n\t\t\t";
-d._second_vertex_shader="precision highp float;\n\t\t\tattribute vec2 a_vertex2D;\n\t\t\tvarying vec4 v_color;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_mask;\n\t\t\tuniform vec2 u_itexsize;\n\t\t\tuniform float u_pointSize;\n\t\t\tuniform float u_threshold;\n\t\t\tvoid main() {\n\t\t\t\tvec2 coord = a_vertex2D * 0.5 + 0.5;\n\t\t\t\tv_color = texture2D( u_texture, coord );\n\t\t\t\tv_color += texture2D( u_texture, coord + vec2(u_itexsize.x, 0.0) );\n\t\t\t\tv_color += texture2D( u_texture, coord + vec2(0.0, u_itexsize.y));\n\t\t\t\tv_color += texture2D( u_texture, coord + u_itexsize);\n\t\t\t\tv_color *= 0.25;\n\t\t\t\tfloat mask = texture2D(u_mask, coord).x;\n\t\t\t\tfloat luminance = length(v_color) * mask;\n\t\t\t\t/*luminance /= (u_pointSize*u_pointSize)*0.01 */;\n\t\t\t\tluminance -= u_threshold;\n\t\t\t\tif(luminance < 0.0)\n\t\t\t\t{\n\t\t\t\t\tgl_Position.x = -100.0;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tgl_PointSize = u_pointSize;\n\t\t\t\tgl_Position = vec4(a_vertex2D,0.0,1.0);\n\t\t\t}\n\t\t\t";
-d._second_pixel_shader="precision highp float;\n\t\t\tvarying vec4 v_color;\n\t\t\tuniform sampler2D u_shape;\n\t\t\tuniform float u_alpha;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D( u_shape, gl_PointCoord );\n\t\t\t\tcolor *= v_color * u_alpha;\n\t\t\t\tgl_FragColor = color;\n\t\t\t}\n";e.registerNodeType("fx/bokeh",d);window.LGraphFXBokeh=d;var q=function(){this.addInput("Texture","Texture");this.addInput("value1","number");this.addInput("value2","number");this.addOutput("Texture",
-"Texture");this.properties={fx:"halftone",value1:1,value2:1,precision:LGraphTexture.DEFAULT}};q.title="FX";q.desc="applies an FX from a list";q.widgets_info={fx:{widget:"combo",values:["halftone","pixelate","lowpalette","noise","gamma"]},precision:{widget:"combo",values:LGraphTexture.MODE_VALUES}};q.shaders={};q.prototype.onExecute=function(){if(this.isOutputConnected(0)){var d=this.getInputData(0);if(this.properties.precision===LGraphTexture.PASS_THROUGH)this.setOutputData(0,d);else if(d){this._tex=
-LGraphTexture.getTargetTexture(d,this._tex,this.properties.precision);var e=this.properties.value1;this.isInputConnected(1)&&(e=this.getInputData(1),this.properties.value1=e);var f=this.properties.value2;this.isInputConnected(2)&&(f=this.getInputData(2),this.properties.value2=f);var g=this.properties.fx,a=q.shaders[g];if(!a){var b=q["pixel_shader_"+g];if(!b)return;a=q.shaders[g]=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,b)}gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);var c=Mesh.getScreenQuad();
-camera_planes=window.LS&&LS.Renderer._current_camera?[LS.Renderer._current_camera.near,LS.Renderer._current_camera.far]:[1,100];var h=null;"noise"==g&&(h=LGraphTexture.getNoiseTexture());this._tex.drawTo(function(){d.bind(0);"noise"==g&&h.bind(1);a.uniforms({u_texture:0,u_noise:1,u_size:[d.width,d.height],u_rand:[Math.random(),Math.random()],u_value1:e,u_value2:f,u_camera_planes:camera_planes}).draw(c)});this.setOutputData(0,this._tex)}}};q.pixel_shader_halftone="precision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 u_camera_planes;\n\t\t\tuniform vec2 u_size;\n\t\t\tuniform float u_value1;\n\t\t\tuniform float u_value2;\n\t\t\t\n\t\t\tfloat pattern() {\n\t\t\t\tfloat s = sin(u_value1 * 3.1415), c = cos(u_value1 * 3.1415);\n\t\t\t\tvec2 tex = v_coord * u_size.xy;\n\t\t\t\tvec2 point = vec2(\n\t\t\t\t   c * tex.x - s * tex.y ,\n\t\t\t\t   s * tex.x + c * tex.y \n\t\t\t\t) * u_value2;\n\t\t\t\treturn (sin(point.x) * sin(point.y)) * 4.0;\n\t\t\t}\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\t\t\t\tfloat average = (color.r + color.g + color.b) / 3.0;\n\t\t\t\tgl_FragColor = vec4(vec3(average * 10.0 - 5.0 + pattern()), color.a);\n\t\t\t}\n";
-q.pixel_shader_pixelate="precision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 u_camera_planes;\n\t\t\tuniform vec2 u_size;\n\t\t\tuniform float u_value1;\n\t\t\tuniform float u_value2;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec2 coord = vec2( floor(v_coord.x * u_value1) / u_value1, floor(v_coord.y * u_value2) / u_value2 );\n\t\t\t\tvec4 color = texture2D(u_texture, coord);\n\t\t\t\tgl_FragColor = color;\n\t\t\t}\n";q.pixel_shader_lowpalette="precision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 u_camera_planes;\n\t\t\tuniform vec2 u_size;\n\t\t\tuniform float u_value1;\n\t\t\tuniform float u_value2;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\t\t\t\tgl_FragColor = floor(color * u_value1) / u_value1;\n\t\t\t}\n";
-q.pixel_shader_noise="precision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_noise;\n\t\t\tuniform vec2 u_size;\n\t\t\tuniform float u_value1;\n\t\t\tuniform float u_value2;\n\t\t\tuniform vec2 u_rand;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\t\t\t\tvec3 noise = texture2D(u_noise, v_coord * vec2(u_size.x / 512.0, u_size.y / 512.0) + u_rand).xyz - vec3(0.5);\n\t\t\t\tgl_FragColor = vec4( color.xyz + noise * u_value1, color.a );\n\t\t\t}\n";
-q.pixel_shader_gamma="precision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform float u_value1;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\t\t\t\tfloat gamma = 1.0 / u_value1;\n\t\t\t\tgl_FragColor = vec4( pow( color.xyz, vec3(gamma) ), color.a );\n\t\t\t}\n";e.registerNodeType("fx/generic",q);window.LGraphFXGeneric=q;var l=function(){this.addInput("Tex.","Texture");this.addInput("intensity","number");this.addOutput("Texture",
-"Texture");this.properties={intensity:1,invert:!1,precision:LGraphTexture.DEFAULT};l._shader||(l._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,l.pixel_shader))};l.title="Vigneting";l.desc="Vigneting";l.widgets_info={precision:{widget:"combo",values:LGraphTexture.MODE_VALUES}};l.prototype.onExecute=function(){var d=this.getInputData(0);if(this.properties.precision===LGraphTexture.PASS_THROUGH)this.setOutputData(0,d);else if(d){this._tex=LGraphTexture.getTargetTexture(d,this._tex,this.properties.precision);
-var e=this.properties.intensity;this.isInputConnected(1)&&(e=this.getInputData(1),this.properties.intensity=e);gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);var f=Mesh.getScreenQuad(),g=l._shader,a=this.properties.invert;this._tex.drawTo(function(){d.bind(0);g.uniforms({u_texture:0,u_intensity:e,u_isize:[1/d.width,1/d.height],u_invert:a?1:0}).draw(f)});this.setOutputData(0,this._tex)}};l.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform float u_intensity;\n\t\t\tuniform int u_invert;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tfloat luminance = 1.0 - length( v_coord - vec2(0.5) ) * 1.414;\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\t\t\t\tif(u_invert == 1)\n\t\t\t\t\tluminance = 1.0 - luminance;\n\t\t\t\tluminance = mix(1.0, luminance, u_intensity);\n\t\t\t   gl_FragColor = vec4( luminance * color.xyz, color.a);\n\t\t\t}\n\t\t\t";
-e.registerNodeType("fx/vigneting",l);r.LGraphFXVigneting=l}})(this);
-(function(r){function e(a){this.cmd=this.channel=0;a?this.setup(a):this.data=[0,0,0]}function g(a,b){navigator.requestMIDIAccess?(this.on_ready=a,this.state={note:[],cc:[]},navigator.requestMIDIAccess().then(this.onMIDISuccess.bind(this),this.onMIDIFailure.bind(this))):(this.error="not suppoorted",b?b("Not supported"):console.error("MIDI NOT SUPPORTED, enable by chrome://flags"))}function d(){this.addOutput("on_midi",p.EVENT);this.addOutput("out","midi");this.properties={port:0};this._current_midi_event=
-this._last_midi_event=null;var a=this;new g(function(b){a._midi=b;if(a._waiting)a.onStart();a._waiting=!1})}function q(){this.addInput("send",p.EVENT);this.properties={port:0};var a=this;new g(function(b){a._midi=b})}function l(){this.addInput("on_midi",p.EVENT);this._str="";this.size=[200,40]}function t(){this.properties={channel:-1,cmd:-1,min_value:-1,max_value:-1};this.addInput("in",p.EVENT);this.addOutput("on_midi",p.EVENT)}function u(){this.properties={channel:0,cmd:"CC",value1:1,value2:1};this.addInput("send",
-p.EVENT);this.addInput("assign",p.EVENT);this.addOutput("on_midi",p.EVENT)}function f(){this.properties={cc:1,value:0};this.addOutput("value","number")}var p=r.LiteGraph;e.prototype.setup=function(a){this.data=a;this.status=a=a[0];var b=a&240;this.cmd=240<=a?a:b;this.cmd==e.NOTEON&&0==this.velocity&&(this.cmd=e.NOTEOFF);this.cmd_str=e.commands[this.cmd]||"";if(b>=e.NOTEON||b<=e.NOTEOFF)this.channel=a&15};Object.defineProperty(e.prototype,"velocity",{get:function(){return this.cmd==e.NOTEON?this.data[2]:
--1},set:function(a){this.data[2]=a},enumerable:!0});e.notes="A A# B C C# D D# E F F# G G#".split(" ");e.prototype.getPitch=function(){return 440*Math.pow(2,(this.data[1]-69)/12)};e.computePitch=function(a){return 440*Math.pow(2,(a-69)/12)};e.prototype.getCC=function(){return this.data[1]};e.prototype.getCCValue=function(){return this.data[2]};e.prototype.getPitchBend=function(){return this.data[1]+(this.data[2]<<7)-8192};e.computePitchBend=function(a,b){return a+(b<<7)-8192};e.prototype.setCommandFromString=
-function(a){this.cmd=e.computeCommandFromString(a)};e.computeCommandFromString=function(a){if(!a)return 0;if(a&&a.constructor===Number)return a;a=a.toUpperCase();switch(a){case "NOTE ON":case "NOTEON":return e.NOTEON;case "NOTE OFF":case "NOTEOFF":return e.NOTEON;case "KEY PRESSURE":case "KEYPRESSURE":return e.KEYPRESSURE;case "CONTROLLER CHANGE":case "CONTROLLERCHANGE":case "CC":return e.CONTROLLERCHANGE;case "PROGRAM CHANGE":case "PROGRAMCHANGE":case "PC":return e.PROGRAMCHANGE;case "CHANNEL PRESSURE":case "CHANNELPRESSURE":return e.CHANNELPRESSURE;
-case "PITCH BEND":case "PITCHBEND":return e.PITCHBEND;case "TIME TICK":case "TIMETICK":return e.TIMETICK;default:return Number(a)}};e.toNoteString=function(a){var b;b=(a-21)%12;0>b&&(b=12+b);return e.notes[b]+Math.floor((a-24)/12+1)};e.prototype.toString=function(){var a=""+this.channel+". ";switch(this.cmd){case e.NOTEON:a+="NOTEON "+e.toNoteString(this.data[1]);break;case e.NOTEOFF:a+="NOTEOFF "+e.toNoteString(this.data[1]);break;case e.CONTROLLERCHANGE:a+="CC "+this.data[1]+" "+this.data[2];break;
-case e.PROGRAMCHANGE:a+="PC "+this.data[1];break;case e.PITCHBEND:a+="PITCHBEND "+this.getPitchBend();break;case e.KEYPRESSURE:a+="KEYPRESS "+this.data[1]}return a};e.prototype.toHexString=function(){for(var a="",b=0;b<this.data.length;b++)a+=this.data[b].toString(16)+" "};e.NOTEOFF=128;e.NOTEON=144;e.KEYPRESSURE=160;e.CONTROLLERCHANGE=176;e.PROGRAMCHANGE=192;e.CHANNELPRESSURE=208;e.PITCHBEND=224;e.TIMETICK=248;e.commands={128:"note off",144:"note on",160:"key pressure",176:"controller change",192:"program change",
-208:"channel pressure",224:"pitch bend",240:"system",242:"Song pos",243:"Song select",246:"Tune request",248:"time tick",250:"Start Song",251:"Continue Song",252:"Stop Song",254:"Sensing",255:"Reset"};g.input=null;g.MIDIEvent=e;g.prototype.onMIDISuccess=function(a){console.log("MIDI ready!");console.log(a);this.midi=a;this.updatePorts();if(this.on_ready)this.on_ready(this)};g.prototype.updatePorts=function(){var a=this.midi;this.input_ports=a.inputs;for(var b=0,c=this.input_ports.values(),d=c.next();d&&
-!1===d.done;)d=d.value,console.log("Input port [type:'"+d.type+"'] id:'"+d.id+"' manufacturer:'"+d.manufacturer+"' name:'"+d.name+"' version:'"+d.version+"'"),b++,d=c.next();this.num_input_ports=b;b=0;this.output_ports=a.outputs;c=this.output_ports.values();for(d=c.next();d&&!1===d.done;)d=d.value,console.log("Output port [type:'"+d.type+"'] id:'"+d.id+"' manufacturer:'"+d.manufacturer+"' name:'"+d.name+"' version:'"+d.version+"'"),b++,d=c.next();this.num_output_ports=b};g.prototype.onMIDIFailure=
-function(a){console.error("Failed to get MIDI access - "+a)};g.prototype.openInputPort=function(a,b){var c=this.input_ports.get("input-"+a);if(!c)return!1;g.input=this;var d=this;c.onmidimessage=function(a){var c=new e(a.data);d.updateState(c);b&&b(a.data,c);if(g.on_message)g.on_message(a.data,c)};console.log("port open: ",c);return!0};g.parseMsg=function(a){};g.prototype.updateState=function(a){switch(a.cmd){case e.NOTEON:this.state.note[a.value1|0]=a.value2;break;case e.NOTEOFF:this.state.note[a.value1|
-0]=0;break;case e.CONTROLLERCHANGE:this.state.cc[a.getCC()]=a.getCCValue()}};g.prototype.sendMIDI=function(a,b){if(b){var c=this.output_ports.get("output-"+a);c&&(g.output=this,b.constructor===e?c.send(b.data):c.send(b))}};d.MIDIInterface=g;d.title="MIDI Input";d.desc="Reads MIDI from a input port";d.prototype.getPropertyInfo=function(a){if(this._midi&&"port"==a){a={};for(var b=0;b<this._midi.input_ports.size;++b){var c=this._midi.input_ports.get("input-"+b);a[b]=b+".- "+c.name+" version:"+c.version}return{type:"enum",
-values:a}}};d.prototype.onStart=function(){this._midi?this._midi.openInputPort(this.properties.port,this.onMIDIEvent.bind(this)):this._waiting=!0};d.prototype.onMIDIEvent=function(a,b){this._last_midi_event=b;this.trigger("on_midi",b);b.cmd==e.NOTEON?this.trigger("on_noteon",b):b.cmd==e.NOTEOFF?this.trigger("on_noteoff",b):b.cmd==e.CONTROLLERCHANGE?this.trigger("on_cc",b):b.cmd==e.PROGRAMCHANGE?this.trigger("on_pc",b):b.cmd==e.PITCHBEND&&this.trigger("on_pitchbend",b)};d.prototype.onExecute=function(){if(this.outputs)for(var a=
-this._last_midi_event,b=0;b<this.outputs.length;++b){var c=null;switch(this.outputs[b].name){case "midi":c=this._midi;break;case "last_midi":c=a;break;default:continue}this.setOutputData(b,c)}};d.prototype.onGetOutputs=function(){return[["last_midi","midi"],["on_midi",p.EVENT],["on_noteon",p.EVENT],["on_noteoff",p.EVENT],["on_cc",p.EVENT],["on_pc",p.EVENT],["on_pitchbend",p.EVENT]]};p.registerNodeType("midi/input",d);q.MIDIInterface=g;q.title="MIDI Output";q.desc="Sends MIDI to output channel";q.prototype.getPropertyInfo=
-function(a){if(this._midi&&"port"==a){a={};for(var b=0;b<this._midi.output_ports.size;++b){var c=this._midi.output_ports.get(b);a[b]=b+".- "+c.name+" version:"+c.version}return{type:"enum",values:a}}};q.prototype.onAction=function(a,b){console.log(b);this._midi&&("send"==a&&this._midi.sendMIDI(this.port,b),this.trigger("midi",b))};q.prototype.onGetInputs=function(){return[["send",p.ACTION]]};q.prototype.onGetOutputs=function(){return[["on_midi",p.EVENT]]};p.registerNodeType("midi/output",q);l.title=
-"MIDI Show";l.desc="Shows MIDI in the graph";l.prototype.onAction=function(a,b){b&&(this._str=b.constructor===e?b.toString():"???")};l.prototype.onDrawForeground=function(a){this._str&&(a.font="30px Arial",a.fillText(this._str,10,0.8*this.size[1]))};l.prototype.onGetInputs=function(){return[["in",p.ACTION]]};l.prototype.onGetOutputs=function(){return[["on_midi",p.EVENT]]};p.registerNodeType("midi/show",l);t.title="MIDI Filter";t.desc="Filters MIDI messages";t.prototype.onAction=function(a,b){!b||
-b.constructor!==e||-1!=this.properties.channel&&b.channel!=this.properties.channel||-1!=this.properties.cmd&&b.cmd!=this.properties.cmd||-1!=this.properties.min_value&&b.data[1]<this.properties.min_value||-1!=this.properties.max_value&&b.data[1]>this.properties.max_value||this.trigger("on_midi",b)};p.registerNodeType("midi/filter",t);u.title="MIDIEvent";u.desc="Create a MIDI Event";u.prototype.onAction=function(a,b){"assign"==a?(this.properties.channel=b.channel,this.properties.cmd=b.cmd,this.properties.value1=
-b.data[1],this.properties.value2=b.data[2]):(b=new e,b.channel=this.properties.channel,this.properties.cmd&&this.properties.cmd.constructor===String?b.setCommandFromString(this.properties.cmd):b.cmd=this.properties.cmd,b.data[0]=b.cmd|b.channel,b.data[1]=Number(this.properties.value1),b.data[2]=Number(this.properties.value2),this.trigger("on_midi",b))};u.prototype.onExecute=function(){var a=this.properties;if(this.outputs)for(var b=0;b<this.outputs.length;++b){var c=null;switch(this.outputs[b].name){case "midi":c=
-new e;c.setup([a.cmd,a.value1,a.value2]);c.channel=a.channel;break;case "command":c=a.cmd;break;case "cc":c=a.value1;break;case "cc_value":c=a.value2;break;case "note":c=a.cmd==e.NOTEON||a.cmd==e.NOTEOFF?a.value1:null;break;case "velocity":c=a.cmd==e.NOTEON?a.value2:null;break;case "pitch":c=a.cmd==e.NOTEON?e.computePitch(a.value1):null;break;case "pitchbend":c=a.cmd==e.PITCHBEND?e.computePitchBend(a.value1,a.value2):null;break;default:continue}null!==c&&this.setOutputData(b,c)}};u.prototype.onPropertyChanged=
-function(a,b){"cmd"==a&&(this.properties.cmd=e.computeCommandFromString(b))};u.prototype.onGetOutputs=function(){return[["midi","midi"],["on_midi",p.EVENT],["command","number"],["note","number"],["velocity","number"],["cc","number"],["cc_value","number"],["pitch","number"],["pitchbend","number"]]};p.registerNodeType("midi/event",u);f.title="MIDICC";f.desc="gets a Controller Change";f.prototype.onExecute=function(){g.input&&(this.properties.value=g.input.state.cc[this.properties.cc]);this.setOutputData(0,
-this.properties.value)};p.registerNodeType("midi/cc",f)})(this);
-(function(r){function e(){this.properties={src:"",gain:0.5,loop:!0,autoplay:!0,playbackRate:1};this._loading_audio=!1;this._audiobuffer=null;this._audionodes=[];this._last_sourcenode=null;this.addOutput("out","audio");this.addInput("gain","number");this.audionode=s.getAudioContext().createGain();this.audionode.graphnode=this;this.audionode.gain.value=this.properties.gain;this.properties.src&&this.loadSound(this.properties.src)}function g(){this.properties={fftSize:2048,minDecibels:-100,maxDecibels:-10,
-smoothingTimeConstant:0.5};this.audionode=s.getAudioContext().createAnalyser();this.audionode.graphnode=this;this.audionode.fftSize=this.properties.fftSize;this.audionode.minDecibels=this.properties.minDecibels;this.audionode.maxDecibels=this.properties.maxDecibels;this.audionode.smoothingTimeConstant=this.properties.smoothingTimeConstant;this.addInput("in","audio");this.addOutput("freqs","array");this.addOutput("samples","array");this._time_bin=this._freq_bin=null}function d(){this.properties={gain:1};
-this.audionode=s.getAudioContext().createGain();this.addInput("in","audio");this.addInput("gain","number");this.addOutput("out","audio")}function q(){this.properties={impulse_src:"",normalize:!0};this.audionode=s.getAudioContext().createConvolver();this.addInput("in","audio");this.addOutput("out","audio")}function l(){this.properties={threshold:-50,knee:40,ratio:12,reduction:-20,attack:0,release:0.25};this.audionode=s.getAudioContext().createDynamicsCompressor();this.addInput("in","audio");this.addOutput("out",
-"audio")}function t(){this.properties={};this.audionode=s.getAudioContext().createWaveShaper();this.addInput("in","audio");this.addInput("shape","waveshape");this.addOutput("out","audio")}function u(){this.properties={gain1:0.5,gain2:0.5};this.audionode=s.getAudioContext().createGain();this.audionode1=s.getAudioContext().createGain();this.audionode1.gain.value=this.properties.gain1;this.audionode2=s.getAudioContext().createGain();this.audionode2.gain.value=this.properties.gain2;this.audionode1.connect(this.audionode);
-this.audionode2.connect(this.audionode);this.addInput("in1","audio");this.addInput("in1 gain","number");this.addInput("in2","audio");this.addInput("in2 gain","number");this.addOutput("out","audio")}function f(){this.properties={delayTime:0.5};this.audionode=s.getAudioContext().createDelay(10);this.audionode.delayTime.value=this.properties.delayTime;this.addInput("in","audio");this.addInput("time","number");this.addOutput("out","audio")}function p(){this.properties={frequency:350,detune:0,Q:1};this.addProperty("type",
-"lowpass","enum",{values:"lowpass highpass bandpass lowshelf highshelf peaking notch allpass".split(" ")});this.audionode=s.getAudioContext().createBiquadFilter();this.addInput("in","audio");this.addOutput("out","audio")}function a(){this.properties={frequency:440,detune:0,type:"sine"};this.addProperty("type","sine","enum",{values:["sine","square","sawtooth","triangle","custom"]});this.audionode=s.getAudioContext().createOscillator();this.addOutput("out","audio")}function b(){this.properties={continuous:!0,
-mark:-1};this.addInput("data","array");this.addInput("mark","number");this.size=[300,200];this._last_buffer=null}function c(){this.properties={band:440,amplitude:1};this.addInput("freqs","array");this.addOutput("signal","number")}function h(){if(!h.default_code){var a=h.default_function.toString(),b=a.indexOf("{")+1,c=a.lastIndexOf("}");h.default_code=a.substr(b,c-b)}this.properties={code:h.default_code};a=s.getAudioContext();a.createScriptProcessor?this.audionode=a.createScriptProcessor(4096,1,1):
-(console.warn("ScriptProcessorNode deprecated"),this.audionode=a.createGain());this.processCode();h._bypass_function||(h._bypass_function=this.audionode.onaudioprocess);this.addInput("in","audio");this.addOutput("out","audio")}function k(){this.audionode=s.getAudioContext().destination;this.addInput("in","audio")}var v=r.LiteGraph,s={};r.LGAudio=s;s.getAudioContext=function(){if(!this._audio_context){window.AudioContext=window.AudioContext||window.webkitAudioContext;if(!window.AudioContext)return console.error("AudioContext not supported by browser"),
-null;this._audio_context=new AudioContext;this._audio_context.onmessage=function(a){console.log("msg",a)};this._audio_context.onended=function(a){console.log("ended",a)};this._audio_context.oncomplete=function(a){console.log("complete",a)}}return this._audio_context};s.connect=function(a,b){try{a.connect(b)}catch(c){console.warn("LGraphAudio:",c)}};s.disconnect=function(a,b){try{a.disconnect(b)}catch(c){console.warn("LGraphAudio:",c)}};s.changeAllAudiosConnections=function(a,b){if(a.inputs)for(var c=
-0;c<a.inputs.length;++c){var d=a.graph.links[a.inputs[c].link];if(d){var e=a.graph.getNodeById(d.origin_id),f=null,f=e.getAudioNodeInOutputSlot?e.getAudioNodeInOutputSlot(d.origin_slot):e.audionode,d=null,d=a.getAudioNodeInInputSlot?a.getAudioNodeInInputSlot(c):a.audionode;b?s.connect(f,d):s.disconnect(f,d)}}if(a.outputs)for(c=0;c<a.outputs.length;++c)for(var e=a.outputs[c],h=0;h<e.links.length;++h)if(d=a.graph.links[e.links[h]]){var f=a.getAudioNodeInOutputSlot?a.getAudioNodeInOutputSlot(c):a.audionode,
-g=a.graph.getNodeById(d.target_id),d=g.getAudioNodeInInputSlot?g.getAudioNodeInInputSlot(d.target_slot):g.audionode;b?s.connect(f,d):s.disconnect(f,d)}};s.onConnectionsChange=function(a,b,c,d){if(a==v.OUTPUT&&(a=null,d&&(a=this.graph.getNodeById(d.target_id)),a)){var e=null,e=this.getAudioNodeInOutputSlot?this.getAudioNodeInOutputSlot(b):this.audionode;b=null;b=a.getAudioNodeInInputSlot?a.getAudioNodeInInputSlot(d.target_slot):a.audionode;c?s.connect(e,b):s.disconnect(e,b)}};s.createAudioNodeWrapper=
-function(a){var b=a.prototype.onPropertyChanged;a.prototype.onPropertyChanged=function(a,c){b&&b.call(this,a,c);this.audionode&&void 0!==this.audionode[a]&&(void 0!==this.audionode[a].value?this.audionode[a].value=c:this.audionode[a]=c)};a.prototype.onConnectionsChange=s.onConnectionsChange};s.cached_audios={};s.loadSound=function(a,b,c){function d(a){console.log("Audio loading sample error:",a);c&&c(a)}if(s.cached_audios[a]&&-1==a.indexOf("blob:"))b&&b(s.cached_audios[a]);else{s.onProcessAudioURL&&
-(a=s.onProcessAudioURL(a));var e=new XMLHttpRequest;e.open("GET",a,!0);e.responseType="arraybuffer";var f=s.getAudioContext();e.onload=function(){console.log("AudioSource loaded");f.decodeAudioData(e.response,function(c){console.log("AudioSource decoded");s.cached_audios[a]=c;b&&b(c)},d)};e.send();return e}};e["@src"]={widget:"resource"};e.supported_extensions=["wav","ogg","mp3"];e.prototype.onAdded=function(a){if(a.status===LGraph.STATUS_RUNNING)this.onStart()};e.prototype.onStart=function(){this._audiobuffer&&
-this.properties.autoplay&&this.playBuffer(this._audiobuffer)};e.prototype.onStop=function(){this.stopAllSounds()};e.prototype.onPause=function(){this.pauseAllSounds()};e.prototype.onUnpause=function(){this.unpauseAllSounds()};e.prototype.onRemoved=function(){this.stopAllSounds();this._dropped_url&&URL.revokeObjectURL(this._url)};e.prototype.stopAllSounds=function(){for(var a=0;a<this._audionodes.length;++a)this._audionodes[a].started&&(this._audionodes[a].started=!1,this._audionodes[a].stop());this._audionodes.length=
-0};e.prototype.pauseAllSounds=function(){s.getAudioContext().suspend()};e.prototype.unpauseAllSounds=function(){s.getAudioContext().resume()};e.prototype.onExecute=function(){if(this.inputs)for(var a=0;a<this.inputs.length;++a){var b=this.inputs[a];if(null!=b.link){var c=this.getInputData(a);if(void 0!==c)if("gain"==b.name)this.audionode.gain.value=c;else if("playbackRate"==b.name)for(this.properties.playbackRate=c,b=0;b<this._audionodes.length;++b)this._audionodes[b].playbackRate.value=c}}if(this.outputs)for(a=
-0;a<this.outputs.length;++a)"buffer"==this.outputs[a].name&&this._audiobuffer&&this.setOutputData(a,this._audiobuffer)};e.prototype.onAction=function(a){this._audiobuffer&&("Play"==a?this.playBuffer(this._audiobuffer):"Stop"==a&&this.stopAllSounds())};e.prototype.onPropertyChanged=function(a,b){if("src"==a)this.loadSound(b);else if("gain"==a)this.audionode.gain.value=b;else if("playbackRate"==a)for(var c=0;c<this._audionodes.length;++c)this._audionodes[c].playbackRate.value=b};e.prototype.playBuffer=
-function(a){var b=this,c=s.getAudioContext().createBufferSource();this._last_sourcenode=c;c.graphnode=this;c.buffer=a;c.loop=this.properties.loop;c.playbackRate.value=this.properties.playbackRate;this._audionodes.push(c);c.connect(this.audionode);this._audionodes.push(c);c.onended=function(){b.trigger("ended");var a=b._audionodes.indexOf(c);-1!=a&&b._audionodes.splice(a,1)};c.started||(c.started=!0,c.start());return c};e.prototype.loadSound=function(a){function b(a){this.boxcolor=v.NODE_DEFAULT_BOXCOLOR;
-c._audiobuffer=a;c._loading_audio=!1;if(c.graph&&c.graph.status===LGraph.STATUS_RUNNING)c.onStart()}var c=this;this._request&&(this._request.abort(),this._request=null);this._audiobuffer=null;this._loading_audio=!1;a&&(this._request=s.loadSound(a,b),this._loading_audio=!0,this.boxcolor="#AA4")};e.prototype.onConnectionsChange=s.onConnectionsChange;e.prototype.onGetInputs=function(){return[["playbackRate","number"],["Play",v.ACTION],["Stop",v.ACTION]]};e.prototype.onGetOutputs=function(){return[["buffer",
-"audiobuffer"],["ended",v.EVENT]]};e.prototype.onDropFile=function(a){this._dropped_url&&URL.revokeObjectURL(this._dropped_url);a=URL.createObjectURL(a);this.properties.src=a;this.loadSound(a);this._dropped_url=a};e.title="Source";e.desc="Plays audio";v.registerNodeType("audio/source",e);g.prototype.onPropertyChanged=function(a,b){this.audionode[a]=b};g.prototype.onExecute=function(){if(this.isOutputConnected(0)){var a=this.audionode.frequencyBinCount;this._freq_bin&&this._freq_bin.length==a||(this._freq_bin=
-new Uint8Array(a));this.audionode.getByteFrequencyData(this._freq_bin);this.setOutputData(0,this._freq_bin)}this.isOutputConnected(1)&&(a=this.audionode.frequencyBinCount,this._time_bin&&this._time_bin.length==a||(this._time_bin=new Uint8Array(a)),this.audionode.getByteTimeDomainData(this._time_bin),this.setOutputData(1,this._time_bin));for(a=1;a<this.inputs.length;++a){var b=this.inputs[a];if(null!=b.link){var c=this.getInputData(a);void 0!==c&&(this.audionode[b.name].value=c)}}};g.prototype.onGetInputs=
-function(){return[["minDecibels","number"],["maxDecibels","number"],["smoothingTimeConstant","number"]]};g.prototype.onGetOutputs=function(){return[["freqs","array"],["samples","array"]]};g.title="Analyser";g.desc="Audio Analyser";v.registerNodeType("audio/analyser",g);d.prototype.onExecute=function(){if(this.inputs&&this.inputs.length)for(var a=1;a<this.inputs.length;++a){var b=this.inputs[a],c=this.getInputData(a);void 0!==c&&(this.audionode[b.name].value=c)}};s.createAudioNodeWrapper(d);d.title=
-"Gain";d.desc="Audio gain";v.registerNodeType("audio/gain",d);s.createAudioNodeWrapper(q);q.prototype.onRemove=function(){this._dropped_url&&URL.revokeObjectURL(this._dropped_url)};q.prototype.onPropertyChanged=function(a,b){"impulse_src"==a?this.loadImpulse(b):"normalize"==a&&(this.audionode.normalize=b)};q.prototype.onDropFile=function(a){this._dropped_url&&URL.revokeObjectURL(this._dropped_url);this._dropped_url=URL.createObjectURL(a);this.properties.impulse_src=this._dropped_url;this.loadImpulse(this._dropped_url)};
-q.prototype.loadImpulse=function(a){function b(a){c._impulse_buffer=a;c.audionode.buffer=a;console.log("Impulse signal set");c._loading_impulse=!1}var c=this;this._request&&(this._request.abort(),this._request=null);this._impulse_buffer=null;this._loading_impulse=!1;a&&(this._request=s.loadSound(a,b),this._loading_impulse=!0)};q.title="Convolver";q.desc="Convolves the signal (used for reverb)";v.registerNodeType("audio/convolver",q);s.createAudioNodeWrapper(l);l.prototype.onExecute=function(){if(this.inputs&&
-this.inputs.length)for(var a=1;a<this.inputs.length;++a){var b=this.inputs[a];if(null!=b.link){var c=this.getInputData(a);void 0!==c&&(this.audionode[b.name].value=c)}}};l.prototype.onGetInputs=function(){return[["threshold","number"],["knee","number"],["ratio","number"],["reduction","number"],["attack","number"],["release","number"]]};l.title="DynamicsCompressor";l.desc="Dynamics Compressor";v.registerNodeType("audio/dynamicsCompressor",l);t.prototype.onExecute=function(){if(this.inputs&&this.inputs.length){var a=
-this.getInputData(1);void 0!==a&&(this.audionode.curve=a)}};t.prototype.setWaveShape=function(a){this.audionode.curve=a};s.createAudioNodeWrapper(t);u.prototype.getAudioNodeInInputSlot=function(a){if(0==a)return this.audionode1;if(2==a)return this.audionode2};u.prototype.onPropertyChanged=function(a,b){"gain1"==a?this.audionode1.gain.value=b:"gain2"==a&&(this.audionode2.gain.value=b)};u.prototype.onExecute=function(){if(this.inputs&&this.inputs.length)for(var a=1;a<this.inputs.length;++a){var b=this.inputs[a];
-null!=b.link&&"audio"!=b.type&&(b=this.getInputData(a),void 0!==b&&(1==a?this.audionode1.gain.value=b:3==a&&(this.audionode2.gain.value=b)))}};s.createAudioNodeWrapper(u);u.title="Mixer";u.desc="Audio mixer";v.registerNodeType("audio/mixer",u);s.createAudioNodeWrapper(f);f.prototype.onExecute=function(){var a=this.getInputData(1);void 0!==a&&(this.audionode.delayTime.value=a)};f.title="Delay";f.desc="Audio delay";v.registerNodeType("audio/delay",f);p.prototype.onExecute=function(){if(this.inputs&&
-this.inputs.length)for(var a=1;a<this.inputs.length;++a){var b=this.inputs[a];if(null!=b.link){var c=this.getInputData(a);void 0!==c&&(this.audionode[b.name].value=c)}}};p.prototype.onGetInputs=function(){return[["frequency","number"],["detune","number"],["Q","number"]]};s.createAudioNodeWrapper(p);p.title="BiquadFilter";p.desc="Audio filter";v.registerNodeType("audio/biquadfilter",p);a.prototype.onStart=function(){this.audionode.started||(this.audionode.started=!0,this.audionode.start())};a.prototype.onStop=
-function(){this.audionode.started&&(this.audionode.started=!1,this.audionode.stop())};a.prototype.onPause=function(){this.onStop()};a.prototype.onUnpause=function(){this.onStart()};a.prototype.onExecute=function(){if(this.inputs&&this.inputs.length)for(var a=0;a<this.inputs.length;++a){var b=this.inputs[a];if(null!=b.link){var c=this.getInputData(a);void 0!==c&&(this.audionode[b.name].value=c)}}};a.prototype.onGetInputs=function(){return[["frequency","number"],["detune","number"],["type","string"]]};
-s.createAudioNodeWrapper(a);a.title="Oscillator";a.desc="Oscillator";v.registerNodeType("audio/oscillator",a);b.prototype.onExecute=function(){this._last_buffer=this.getInputData(0);var a=this.getInputData(1);void 0!==a&&(this.properties.mark=a);this.setDirtyCanvas(!0,!1)};b.prototype.onDrawForeground=function(a){if(this._last_buffer){var b=this._last_buffer,c=b.length/this.size[0],d=this.size[1];a.fillStyle="black";a.fillRect(0,0,this.size[0],this.size[1]);a.strokeStyle="white";a.beginPath();var e=
-0;if(this.properties.continuous){a.moveTo(e,d);for(var f=0;f<b.length;f+=c)a.lineTo(e,d-b[f|0]/255*d),e++}else for(f=0;f<b.length;f+=c)a.moveTo(e+0.5,d),a.lineTo(e+0.5,d-b[f|0]/255*d),e++;a.stroke();0<=this.properties.mark&&(b=s.getAudioContext().sampleRate/b.length,e=this.properties.mark/b*2/c,e>=this.size[0]&&(e=this.size[0]-1),a.strokeStyle="red",a.beginPath(),a.moveTo(e,d),a.lineTo(e,0),a.stroke())}};b.title="Visualization";b.desc="Audio Visualization";v.registerNodeType("audio/visualization",
-b);c.prototype.onExecute=function(){if(this._freqs=this.getInputData(0)){var a=this.properties.band,b=this.getInputData(1);void 0!==b&&(a=b);b=s.getAudioContext().sampleRate/this._freqs.length;b=a/b*2;b>=this._freqs.length?b=this._freqs[this._freqs.length-1]:(a=b|0,b-=a,b=this._freqs[a]*(1-b)+this._freqs[a+1]*b);this.setOutputData(0,b/255*this.properties.amplitude)}};c.prototype.onGetInputs=function(){return[["band","number"]]};c.title="Signal";c.desc="extract the signal of some frequency";v.registerNodeType("audio/signal",
-c);h.prototype.onAdded=function(a){a.status==LGraph.STATUS_RUNNING&&(this.audionode.onaudioprocess=this._callback)};h["@code"]={widget:"code"};h.prototype.onStart=function(){this.audionode.onaudioprocess=this._callback};h.prototype.onStop=function(){this.audionode.onaudioprocess=h._bypass_function};h.prototype.onPause=function(){this.audionode.onaudioprocess=h._bypass_function};h.prototype.onUnpause=function(){this.audionode.onaudioprocess=this._callback};h.prototype.onExecute=function(){};h.prototype.onRemoved=
-function(){this.audionode.onaudioprocess=h._bypass_function};h.prototype.processCode=function(){try{this._script=new new Function("properties",this.properties.code)(this.properties),this._old_code=this.properties.code,this._callback=this._script.onaudioprocess}catch(a){console.error("Error in onaudioprocess code",a),this._callback=h._bypass_function,this.audionode.onaudioprocess=this._callback}};h.prototype.onPropertyChanged=function(a,b){"code"==a&&(this.properties.code=b,this.processCode(),this.graph&&
-this.graph.status==LGraph.STATUS_RUNNING&&(this.audionode.onaudioprocess=this._callback))};h.default_function=function(){this.onaudioprocess=function(a){var b=a.inputBuffer;a=a.outputBuffer;for(var c=0;c<a.numberOfChannels;c++)for(var d=b.getChannelData(c),e=a.getChannelData(c),f=0;f<b.length;f++)e[f]=d[f]}};s.createAudioNodeWrapper(h);h.title="Script";h.desc="apply script to signal";v.registerNodeType("audio/script",h);k.title="Destination";k.desc="Audio output";v.registerNodeType("audio/destination",
-k)})(this);
-(function(r){function e(){this.size=[60,20];this.addInput("send",d.ACTION);this.addOutput("received",d.EVENT);this.addInput("in",0);this.addOutput("out",0);this.properties={url:"",room:"lgraph"};this._ws=null;this._last_data=[]}function g(){this.size=[60,20];this.addInput("send",d.ACTION);this.addOutput("received",d.EVENT);this.addInput("in",0);this.addOutput("out",0);this.properties={url:"tamats.com:55000",room:"lgraph",save_bandwidth:!0};this._server=null;this.createSocket();this._last_input_data=[];
-this._last_output_data=[]}var d=r.LiteGraph;e.title="WebSocket";e.desc="Send data through a websocket";e.prototype.onPropertyChanged=function(d,e){"url"==d&&this.createSocket()};e.prototype.onExecute=function(){!this._ws&&this.properties.url&&this.createSocket();if(this._ws&&this._ws.readyState==WebSocket.OPEN){for(var d=this.properties.room,e=1;e<this.inputs.length;++e){var g=this.getInputData(e);if(null!=g){var r;try{r=JSON.stringify({type:0,room:d,channel:e,data:g})}catch(f){continue}this._ws.send(r)}}for(e=
-1;e<this.outputs.length;++e)this.setOutputData(e,this._last_data[e])}};e.prototype.createSocket=function(){var d=this,e=this.properties.url;"ws"!=e.substr(0,2)&&(e="ws://"+e);this._ws=new WebSocket(e);this._ws.onopen=function(){console.log("ready");d.boxcolor="#8E8"};this._ws.onmessage=function(e){var g=JSON.parse(e.data);g.room&&g.room!=this.properties.room||(1==e.data.type?d.triggerSlot(0,g):d._last_data[e.data.channel||0]=g.data)};this._ws.onerror=function(e){console.log("couldnt connect to websocket");
-d.boxcolor="#E88"};this._ws.onclose=function(e){console.log("connection closed");d.boxcolor="#000"}};e.prototype.send=function(d){this._ws&&this._ws.readyState==WebSocket.OPEN&&this._ws.send(JSON.stringify({type:1,msg:d}))};e.prototype.onAction=function(d,e){this._ws&&this._ws.readyState==WebSocket.OPEN&&this._ws.send({type:1,room:this.properties.room,action:d,data:e})};e.prototype.onGetInputs=function(){return[["in",0]]};e.prototype.onGetOutputs=function(){return[["out",0]]};d.registerNodeType("network/websocket",
-e);g.title="SillyClient";g.desc="Connects to SillyServer to broadcast messages";g.prototype.onPropertyChanged=function(d,e){var g=this.properties.url+"/"+this.properties.room;this._server&&this._final_url!=g&&(this._server.connect(this.properties.url,this.properties.room),this._final_url=g)};g.prototype.onExecute=function(){if(this._server&&this._server.is_connected){for(var d=this.properties.save_bandwidth,e=1;e<this.inputs.length;++e){var g=this.getInputData(e);null==g||d&&this._last_input_data[e]==
-g||(this._server.sendMessage({type:0,channel:e,data:g}),this._last_input_data[e]=g)}for(e=1;e<this.outputs.length;++e)this.setOutputData(e,this._last_output_data[e])}};g.prototype.createSocket=function(){var d=this;"undefined"==typeof SillyClient?(this._error||console.error("SillyClient node cannot be used, you must include SillyServer.js"),this._error=!0):(this._server=new SillyClient,this._server.on_ready=function(){console.log("ready");d.boxcolor="#8E8"},this._server.on_message=function(e,g){var r=
-null;try{r=JSON.parse(g)}catch(f){return}1==r.type?d.triggerSlot(0,r):d._last_output_data[r.channel||0]=r.data},this._server.on_error=function(e){console.log("couldnt connect to websocket");d.boxcolor="#E88"},this._server.on_close=function(e){console.log("connection closed");d.boxcolor="#000"},this.properties.url&&this.properties.room&&(this._server.connect(this.properties.url,this.properties.room),this._final_url=this.properties.url+"/"+this.properties.room))};g.prototype.send=function(d){this._server&&
-this._server.is_connected&&this._server.sendMessage({type:1,data:d})};g.prototype.onAction=function(d,e){this._server&&this._server.is_connected&&this._server.sendMessage({type:1,action:d,data:e})};g.prototype.onGetInputs=function(){return[["in",0]]};g.prototype.onGetOutputs=function(){return[["out",0]]};d.registerNodeType("network/sillyclient",g)})(this);
+g.registerNodeType("texture/depth_range",n);var A=function(){this.addInput("Texture","Texture");this.addInput("Iterations","number");this.addInput("Intensity","number");this.addOutput("Blurred","Texture");this.properties={intensity:1,iterations:1,preserve_aspect:!1,scale:[1,1]}};A.title="Blur";A.desc="Blur a texture";A.max_iterations=20;A.prototype.onExecute=function(){var a=this.getInputData(0);if(a&&this.isOutputConnected(0)){var b=this._temp_texture;b&&b.width==a.width&&b.height==a.height&&b.type==
+a.type||(this._temp_texture=new GL.Texture(a.width,a.height,{type:a.type,format:gl.RGBA,filter:gl.LINEAR}),this._final_texture=new GL.Texture(a.width,a.height,{type:a.type,format:gl.RGBA,filter:gl.LINEAR}));b=this.properties.iterations;this.isInputConnected(1)&&(b=this.getInputData(1),this.properties.iterations=b);b=Math.min(Math.floor(b),A.max_iterations);if(0==b)this.setOutputData(0,a);else{var c=this.properties.intensity;this.isInputConnected(2)&&(c=this.getInputData(2),this.properties.intensity=
+c);var d=g.camera_aspect;d||void 0===window.gl||(d=gl.canvas.height/gl.canvas.width);d||(d=1);for(var d=this.properties.preserve_aspect?d:1,e=this.properties.scale||[1,1],f=0;f<b;++f)a.applyBlur(d*e[0]*f,e[1]*f,c,this._temp_texture,this._final_texture),a=this._final_texture;this.setOutputData(0,this._final_texture)}}};A.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 u_offset;\n\t\t\tuniform float u_intensity;\n\t\t\tvoid main() {\n\t\t\t   vec4 sum = vec4(0.0);\n\t\t\t   vec4 center = texture2D(u_texture, v_coord);\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * -4.0) * 0.05/0.98;\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * -3.0) * 0.09/0.98;\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * -2.0) * 0.12/0.98;\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * -1.0) * 0.15/0.98;\n\t\t\t   sum += center * 0.16/0.98;\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * 4.0) * 0.05/0.98;\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * 3.0) * 0.09/0.98;\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * 2.0) * 0.12/0.98;\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * 1.0) * 0.15/0.98;\n\t\t\t   gl_FragColor = u_intensity * sum;\n\t\t\t   /*gl_FragColor.a = center.a*/;\n\t\t\t}\n\t\t\t";
+g.registerNodeType("texture/blur",A);var z=function(){this.addInput("Texture","Texture");this.addOutput("Filtered","Texture");this.properties={intensity:1,radius:5}};z.title="Kuwahara Filter";z.desc="Filters a texture giving an artistic oil canvas painting";z.max_radius=10;z._shaders=[];z.prototype.onExecute=function(){var a=this.getInputData(0);if(a&&this.isOutputConnected(0)){var b=this._temp_texture;b&&b.width==a.width&&b.height==a.height&&b.type==a.type||(this._temp_texture=new GL.Texture(a.width,
+a.height,{type:a.type,format:gl.RGBA,filter:gl.LINEAR}));b=this.properties.radius;b=Math.min(Math.floor(b),z.max_radius);if(0==b)this.setOutputData(0,a);else{var c=this.properties.intensity,d=g.camera_aspect;d||void 0===window.gl||(d=gl.canvas.height/gl.canvas.width);d||(d=1);d=this.properties.preserve_aspect?d:1;z._shaders[b]||(z._shaders[b]=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,z.pixel_shader,{RADIUS:b.toFixed(0)}));var e=z._shaders[b],f=GL.Mesh.getScreenQuad();a.bind(0);this._temp_texture.drawTo(function(){e.uniforms({u_texture:0,
+u_intensity:c,u_resolution:[a.width,a.height],u_iResolution:[1/a.width,1/a.height]}).draw(f)});this.setOutputData(0,this._temp_texture)}}};z.pixel_shader="\n\tprecision highp float;\n\tvarying vec2 v_coord;\n\tuniform sampler2D u_texture;\n\tuniform float u_intensity;\n\tuniform vec2 u_resolution;\n\tuniform vec2 u_iResolution;\n\t#ifndef RADIUS\n\t\t#define RADIUS 7\n\t#endif\n\tvoid main() {\n\t\n\t\tconst int radius = RADIUS;\n\t\tvec2 fragCoord = v_coord;\n\t\tvec2 src_size = u_iResolution;\n\t\tvec2 uv = v_coord;\n\t\tfloat n = float((radius + 1) * (radius + 1));\n\t\tint i;\n\t\tint j;\n\t\tvec3 m0 = vec3(0.0); vec3 m1 = vec3(0.0); vec3 m2 = vec3(0.0); vec3 m3 = vec3(0.0);\n\t\tvec3 s0 = vec3(0.0); vec3 s1 = vec3(0.0); vec3 s2 = vec3(0.0); vec3 s3 = vec3(0.0);\n\t\tvec3 c;\n\t\t\n\t\tfor (int j = -radius; j <= 0; ++j)  {\n\t\t\tfor (int i = -radius; i <= 0; ++i)  {\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\t\t\t\tm0 += c;\n\t\t\t\ts0 += c * c;\n\t\t\t}\n\t\t}\n\t\t\n\t\tfor (int j = -radius; j <= 0; ++j)  {\n\t\t\tfor (int i = 0; i <= radius; ++i)  {\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\t\t\t\tm1 += c;\n\t\t\t\ts1 += c * c;\n\t\t\t}\n\t\t}\n\t\t\n\t\tfor (int j = 0; j <= radius; ++j)  {\n\t\t\tfor (int i = 0; i <= radius; ++i)  {\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\t\t\t\tm2 += c;\n\t\t\t\ts2 += c * c;\n\t\t\t}\n\t\t}\n\t\t\n\t\tfor (int j = 0; j <= radius; ++j)  {\n\t\t\tfor (int i = -radius; i <= 0; ++i)  {\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\t\t\t\tm3 += c;\n\t\t\t\ts3 += c * c;\n\t\t\t}\n\t\t}\n\t\t\n\t\tfloat min_sigma2 = 1e+2;\n\t\tm0 /= n;\n\t\ts0 = abs(s0 / n - m0 * m0);\n\t\t\n\t\tfloat sigma2 = s0.r + s0.g + s0.b;\n\t\tif (sigma2 < min_sigma2) {\n\t\t\tmin_sigma2 = sigma2;\n\t\t\tgl_FragColor = vec4(m0, 1.0);\n\t\t}\n\t\t\n\t\tm1 /= n;\n\t\ts1 = abs(s1 / n - m1 * m1);\n\t\t\n\t\tsigma2 = s1.r + s1.g + s1.b;\n\t\tif (sigma2 < min_sigma2) {\n\t\t\tmin_sigma2 = sigma2;\n\t\t\tgl_FragColor = vec4(m1, 1.0);\n\t\t}\n\t\t\n\t\tm2 /= n;\n\t\ts2 = abs(s2 / n - m2 * m2);\n\t\t\n\t\tsigma2 = s2.r + s2.g + s2.b;\n\t\tif (sigma2 < min_sigma2) {\n\t\t\tmin_sigma2 = sigma2;\n\t\t\tgl_FragColor = vec4(m2, 1.0);\n\t\t}\n\t\t\n\t\tm3 /= n;\n\t\ts3 = abs(s3 / n - m3 * m3);\n\t\t\n\t\tsigma2 = s3.r + s3.g + s3.b;\n\t\tif (sigma2 < min_sigma2) {\n\t\t\tmin_sigma2 = sigma2;\n\t\t\tgl_FragColor = vec4(m3, 1.0);\n\t\t}\n\t}\n\t";
+g.registerNodeType("texture/kuwahara",z);q=function(){this.addOutput("Webcam","Texture");this.properties={texture_name:""}};q.title="Webcam";q.desc="Webcam texture";q.prototype.openStream=function(){function a(c){console.log("Webcam rejected",c);b._webcam_stream=!1;b.box_color="red"}navigator.getUserMedia=navigator.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia||navigator.msGetUserMedia;window.URL=window.URL||window.webkitURL;if(navigator.getUserMedia){this._waiting_confirmation=
+!0;var b=this;navigator.getUserMedia({video:!0},this.streamReady.bind(this),a)}};q.prototype.streamReady=function(a){this._webcam_stream=a;var b=this._video;b||(b=document.createElement("video"),b.autoplay=!0,b.src=window.URL.createObjectURL(a),this._video=b,b.onloadedmetadata=function(a){console.log(a)})};q.prototype.onRemoved=function(){this._webcam_stream&&(this._webcam_stream.stop(),this._video=this._webcam_stream=null)};q.prototype.onDrawBackground=function(a){this.flags.collapsed||20>=this.size[1]||
+!this._video||(a.save(),a.webgl?this._temp_texture&&a.drawImage(this._temp_texture,0,0,this.size[0],this.size[1]):(a.translate(0,this.size[1]),a.scale(1,-1),a.drawImage(this._video,0,0,this.size[0],this.size[1])),a.restore())};q.prototype.onExecute=function(){null!=this._webcam_stream||this._waiting_confirmation||this.openStream();if(this._video&&this._video.videoWidth){var a=this._video.videoWidth,b=this._video.videoHeight,c=this._temp_texture;c&&c.width==a&&c.height==b||(this._temp_texture=new GL.Texture(a,
+b,{format:gl.RGB,filter:gl.LINEAR}));this._temp_texture.uploadImage(this._video);this.properties.texture_name&&(f.getTexturesContainer()[this.properties.texture_name]=this._temp_texture);this.setOutputData(0,this._temp_texture)}};g.registerNodeType("texture/webcam",q);var B=function(){this.addInput("in","Texture");this.addOutput("out","Texture");this.properties={key_color:vec3.fromValues(0,1,0),threshold:0.8,slope:0.2,precision:f.DEFAULT};B._shader||(B._shader=new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER,
+B.pixel_shader))};B.title="Matte";B.desc="Extracts background";B.widgets_info={key_color:{widget:"color"},precision:{widget:"combo",values:f.MODE_VALUES}};B.prototype.onExecute=function(){if(this.isOutputConnected(0)){var a=this.getInputData(0);if(this.properties.precision===f.PASS_THROUGH)this.setOutputData(0,a);else if(a){this._tex=f.getTargetTexture(a,this._tex,this.properties.precision);gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);this._uniforms||(this._uniforms={u_texture:0,u_key_color:this.properties.key_color,
+u_threshold:1,u_slope:1});var b=this._uniforms,c=Mesh.getScreenQuad(),d=B._shader;b.u_key_color=this.properties.key_color;b.u_threshold=this.properties.threshold;b.u_slope=this.properties.slope;this._tex.drawTo(function(){a.bind(0);d.uniforms(b).draw(c)});this.setOutputData(0,this._tex)}}};B.pixel_shader="precision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec3 u_key_color;\n\t\t\tuniform float u_threshold;\n\t\t\tuniform float u_slope;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec3 color = texture2D( u_texture, v_coord ).xyz;\n\t\t\t\tfloat diff = length( normalize(color) - normalize(u_key_color) );\n\t\t\t\tfloat edge = u_threshold * (1.0 - u_slope);\n\t\t\t\tfloat alpha = smoothstep( edge, u_threshold, diff);\n\t\t\t\tgl_FragColor = vec4( color, alpha );\n\t\t\t}";
+g.registerNodeType("texture/matte",B);q=function(){this.addOutput("Cubemap","Cubemap");this.properties={name:""};this.size=[f.image_preview_size,f.image_preview_size]};q.title="Cubemap";q.prototype.onDropFile=function(a,b,c){a?(this._drop_texture="string"==typeof a?GL.Texture.fromURL(a):GL.Texture.fromDDSInMemory(a),this.properties.name=b):(this._drop_texture=null,this.properties.name="")};q.prototype.onExecute=function(){if(this._drop_texture)this.setOutputData(0,this._drop_texture);else if(this.properties.name){var a=
+f.getTexture(this.properties.name);a&&(this._last_tex=a,this.setOutputData(0,a))}};q.prototype.onDrawBackground=function(a){this.flags.collapsed||20>=this.size[1]||a.webgl&&(gl.meshes.cube||(gl.meshes.cube=GL.Mesh.cube({size:1})))};g.registerNodeType("texture/cubemap",q)}})(this);
+(function(q){var g=q.LiteGraph;if("undefined"!=typeof GL){var f=function(){this.addInput("Texture","Texture");this.addInput("Aberration","number");this.addInput("Distortion","number");this.addInput("Blur","number");this.addOutput("Texture","Texture");this.properties={aberration:1,distortion:1,blur:1,precision:LGraphTexture.DEFAULT};f._shader||(f._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,f.pixel_shader),f._texture=new GL.Texture(3,1,{format:gl.RGB,wrap:gl.CLAMP_TO_EDGE,magFilter:gl.LINEAR,
+minFilter:gl.LINEAR,pixel_data:[255,0,0,0,255,0,0,0,255]}))};f.title="Lens";f.desc="Camera Lens distortion";f.widgets_info={precision:{widget:"combo",values:LGraphTexture.MODE_VALUES}};f.prototype.onExecute=function(){var e=this.getInputData(0);if(this.properties.precision===LGraphTexture.PASS_THROUGH)this.setOutputData(0,e);else if(e){this._tex=LGraphTexture.getTargetTexture(e,this._tex,this.properties.precision);var g=this.properties.aberration;this.isInputConnected(1)&&(g=this.getInputData(1),
+this.properties.aberration=g);var d=this.properties.distortion;this.isInputConnected(2)&&(d=this.getInputData(2),this.properties.distortion=d);var p=this.properties.blur;this.isInputConnected(3)&&(p=this.getInputData(3),this.properties.blur=p);gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);var l=Mesh.getScreenQuad(),a=f._shader;this._tex.drawTo(function(){e.bind(0);a.uniforms({u_texture:0,u_aberration:g,u_distortion:d,u_blur:p}).draw(l)});this.setOutputData(0,this._tex)}};f.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 u_camera_planes;\n\t\t\tuniform float u_aberration;\n\t\t\tuniform float u_distortion;\n\t\t\tuniform float u_blur;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec2 coord = v_coord;\n\t\t\t\tfloat dist = distance(vec2(0.5), coord);\n\t\t\t\tvec2 dist_coord = coord - vec2(0.5);\n\t\t\t\tfloat percent = 1.0 + ((0.5 - dist) / 0.5) * u_distortion;\n\t\t\t\tdist_coord *= percent;\n\t\t\t\tcoord = dist_coord + vec2(0.5);\n\t\t\t\tvec4 color = texture2D(u_texture,coord, u_blur * dist);\n\t\t\t\tcolor.r = texture2D(u_texture,vec2(0.5) + dist_coord * (1.0+0.01*u_aberration), u_blur * dist ).r;\n\t\t\t\tcolor.b = texture2D(u_texture,vec2(0.5) + dist_coord * (1.0-0.01*u_aberration), u_blur * dist ).b;\n\t\t\t\tgl_FragColor = color;\n\t\t\t}\n\t\t\t";
+g.registerNodeType("fx/lens",f);window.LGraphFXLens=f;var e=function(){this.addInput("Texture","Texture");this.addInput("Blurred","Texture");this.addInput("Mask","Texture");this.addInput("Threshold","number");this.addOutput("Texture","Texture");this.properties={shape:"",size:10,alpha:1,threshold:1,high_precision:!1}};e.title="Bokeh";e.desc="applies an Bokeh effect";e.widgets_info={shape:{widget:"texture"}};e.prototype.onExecute=function(){var f=this.getInputData(0),g=this.getInputData(1),d=this.getInputData(2);
+if(f&&d&&this.properties.shape){g||(g=f);var p=LGraphTexture.getTexture(this.properties.shape);if(p){var l=this.properties.threshold;this.isInputConnected(3)&&(l=this.getInputData(3),this.properties.threshold=l);var a=gl.UNSIGNED_BYTE;this.properties.high_precision&&(a=gl.half_float_ext?gl.HALF_FLOAT_OES:gl.FLOAT);this._temp_texture&&this._temp_texture.type==a&&this._temp_texture.width==f.width&&this._temp_texture.height==f.height||(this._temp_texture=new GL.Texture(f.width,f.height,{type:a,format:gl.RGBA,
+filter:gl.LINEAR}));var b=e._first_shader;b||(b=e._first_shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,e._first_pixel_shader));var c=e._second_shader;c||(c=e._second_shader=new GL.Shader(e._second_vertex_shader,e._second_pixel_shader));var h=this._points_mesh;h&&h._width==f.width&&h._height==f.height&&2==h._spacing||(h=this.createPointsMesh(f.width,f.height,2));var k=Mesh.getScreenQuad(),t=this.properties.size,n=this.properties.alpha;gl.disable(gl.DEPTH_TEST);gl.disable(gl.BLEND);this._temp_texture.drawTo(function(){f.bind(0);
+g.bind(1);d.bind(2);b.uniforms({u_texture:0,u_texture_blur:1,u_mask:2,u_texsize:[f.width,f.height]}).draw(k)});this._temp_texture.drawTo(function(){gl.enable(gl.BLEND);gl.blendFunc(gl.ONE,gl.ONE);f.bind(0);p.bind(3);c.uniforms({u_texture:0,u_mask:2,u_shape:3,u_alpha:n,u_threshold:l,u_pointSize:t,u_itexsize:[1/f.width,1/f.height]}).draw(h,gl.POINTS)});this.setOutputData(0,this._temp_texture)}}else this.setOutputData(0,f)};e.prototype.createPointsMesh=function(e,f,d){for(var g=Math.round(e/d),l=Math.round(f/
+d),a=new Float32Array(g*l*2),b=-1,c=2/e*d,h=2/f*d,k=0;k<l;++k){for(var p=-1,n=0;n<g;++n){var A=k*g*2+2*n;a[A]=p;a[A+1]=b;p+=c}b+=h}this._points_mesh=GL.Mesh.load({vertices2D:a});this._points_mesh._width=e;this._points_mesh._height=f;this._points_mesh._spacing=d;return this._points_mesh};e._first_pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_texture_blur;\n\t\t\tuniform sampler2D u_mask;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\t\t\t\tvec4 blurred_color = texture2D(u_texture_blur, v_coord);\n\t\t\t\tfloat mask = texture2D(u_mask, v_coord).x;\n\t\t\t   gl_FragColor = mix(color, blurred_color, mask);\n\t\t\t}\n\t\t\t";
+e._second_vertex_shader="precision highp float;\n\t\t\tattribute vec2 a_vertex2D;\n\t\t\tvarying vec4 v_color;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_mask;\n\t\t\tuniform vec2 u_itexsize;\n\t\t\tuniform float u_pointSize;\n\t\t\tuniform float u_threshold;\n\t\t\tvoid main() {\n\t\t\t\tvec2 coord = a_vertex2D * 0.5 + 0.5;\n\t\t\t\tv_color = texture2D( u_texture, coord );\n\t\t\t\tv_color += texture2D( u_texture, coord + vec2(u_itexsize.x, 0.0) );\n\t\t\t\tv_color += texture2D( u_texture, coord + vec2(0.0, u_itexsize.y));\n\t\t\t\tv_color += texture2D( u_texture, coord + u_itexsize);\n\t\t\t\tv_color *= 0.25;\n\t\t\t\tfloat mask = texture2D(u_mask, coord).x;\n\t\t\t\tfloat luminance = length(v_color) * mask;\n\t\t\t\t/*luminance /= (u_pointSize*u_pointSize)*0.01 */;\n\t\t\t\tluminance -= u_threshold;\n\t\t\t\tif(luminance < 0.0)\n\t\t\t\t{\n\t\t\t\t\tgl_Position.x = -100.0;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tgl_PointSize = u_pointSize;\n\t\t\t\tgl_Position = vec4(a_vertex2D,0.0,1.0);\n\t\t\t}\n\t\t\t";
+e._second_pixel_shader="precision highp float;\n\t\t\tvarying vec4 v_color;\n\t\t\tuniform sampler2D u_shape;\n\t\t\tuniform float u_alpha;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D( u_shape, gl_PointCoord );\n\t\t\t\tcolor *= v_color * u_alpha;\n\t\t\t\tgl_FragColor = color;\n\t\t\t}\n";g.registerNodeType("fx/bokeh",e);window.LGraphFXBokeh=e;var t=function(){this.addInput("Texture","Texture");this.addInput("value1","number");this.addInput("value2","number");this.addOutput("Texture",
+"Texture");this.properties={fx:"halftone",value1:1,value2:1,precision:LGraphTexture.DEFAULT}};t.title="FX";t.desc="applies an FX from a list";t.widgets_info={fx:{widget:"combo",values:["halftone","pixelate","lowpalette","noise","gamma"]},precision:{widget:"combo",values:LGraphTexture.MODE_VALUES}};t.shaders={};t.prototype.onExecute=function(){if(this.isOutputConnected(0)){var e=this.getInputData(0);if(this.properties.precision===LGraphTexture.PASS_THROUGH)this.setOutputData(0,e);else if(e){this._tex=
+LGraphTexture.getTargetTexture(e,this._tex,this.properties.precision);var f=this.properties.value1;this.isInputConnected(1)&&(f=this.getInputData(1),this.properties.value1=f);var d=this.properties.value2;this.isInputConnected(2)&&(d=this.getInputData(2),this.properties.value2=d);var g=this.properties.fx,l=t.shaders[g];if(!l){var a=t["pixel_shader_"+g];if(!a)return;l=t.shaders[g]=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,a)}gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);var b=Mesh.getScreenQuad();
+camera_planes=window.LS&&LS.Renderer._current_camera?[LS.Renderer._current_camera.near,LS.Renderer._current_camera.far]:[1,100];var c=null;"noise"==g&&(c=LGraphTexture.getNoiseTexture());this._tex.drawTo(function(){e.bind(0);"noise"==g&&c.bind(1);l.uniforms({u_texture:0,u_noise:1,u_size:[e.width,e.height],u_rand:[Math.random(),Math.random()],u_value1:f,u_value2:d,u_camera_planes:camera_planes}).draw(b)});this.setOutputData(0,this._tex)}}};t.pixel_shader_halftone="precision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 u_camera_planes;\n\t\t\tuniform vec2 u_size;\n\t\t\tuniform float u_value1;\n\t\t\tuniform float u_value2;\n\t\t\t\n\t\t\tfloat pattern() {\n\t\t\t\tfloat s = sin(u_value1 * 3.1415), c = cos(u_value1 * 3.1415);\n\t\t\t\tvec2 tex = v_coord * u_size.xy;\n\t\t\t\tvec2 point = vec2(\n\t\t\t\t   c * tex.x - s * tex.y ,\n\t\t\t\t   s * tex.x + c * tex.y \n\t\t\t\t) * u_value2;\n\t\t\t\treturn (sin(point.x) * sin(point.y)) * 4.0;\n\t\t\t}\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\t\t\t\tfloat average = (color.r + color.g + color.b) / 3.0;\n\t\t\t\tgl_FragColor = vec4(vec3(average * 10.0 - 5.0 + pattern()), color.a);\n\t\t\t}\n";
+t.pixel_shader_pixelate="precision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 u_camera_planes;\n\t\t\tuniform vec2 u_size;\n\t\t\tuniform float u_value1;\n\t\t\tuniform float u_value2;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec2 coord = vec2( floor(v_coord.x * u_value1) / u_value1, floor(v_coord.y * u_value2) / u_value2 );\n\t\t\t\tvec4 color = texture2D(u_texture, coord);\n\t\t\t\tgl_FragColor = color;\n\t\t\t}\n";t.pixel_shader_lowpalette="precision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec2 u_camera_planes;\n\t\t\tuniform vec2 u_size;\n\t\t\tuniform float u_value1;\n\t\t\tuniform float u_value2;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\t\t\t\tgl_FragColor = floor(color * u_value1) / u_value1;\n\t\t\t}\n";
+t.pixel_shader_noise="precision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_noise;\n\t\t\tuniform vec2 u_size;\n\t\t\tuniform float u_value1;\n\t\t\tuniform float u_value2;\n\t\t\tuniform vec2 u_rand;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\t\t\t\tvec3 noise = texture2D(u_noise, v_coord * vec2(u_size.x / 512.0, u_size.y / 512.0) + u_rand).xyz - vec3(0.5);\n\t\t\t\tgl_FragColor = vec4( color.xyz + noise * u_value1, color.a );\n\t\t\t}\n";
+t.pixel_shader_gamma="precision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform float u_value1;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\t\t\t\tfloat gamma = 1.0 / u_value1;\n\t\t\t\tgl_FragColor = vec4( pow( color.xyz, vec3(gamma) ), color.a );\n\t\t\t}\n";g.registerNodeType("fx/generic",t);window.LGraphFXGeneric=t;var p=function(){this.addInput("Tex.","Texture");this.addInput("intensity","number");this.addOutput("Texture",
+"Texture");this.properties={intensity:1,invert:!1,precision:LGraphTexture.DEFAULT};p._shader||(p._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,p.pixel_shader))};p.title="Vigneting";p.desc="Vigneting";p.widgets_info={precision:{widget:"combo",values:LGraphTexture.MODE_VALUES}};p.prototype.onExecute=function(){var e=this.getInputData(0);if(this.properties.precision===LGraphTexture.PASS_THROUGH)this.setOutputData(0,e);else if(e){this._tex=LGraphTexture.getTargetTexture(e,this._tex,this.properties.precision);
+var f=this.properties.intensity;this.isInputConnected(1)&&(f=this.getInputData(1),this.properties.intensity=f);gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);var d=Mesh.getScreenQuad(),g=p._shader,l=this.properties.invert;this._tex.drawTo(function(){e.bind(0);g.uniforms({u_texture:0,u_intensity:f,u_isize:[1/e.width,1/e.height],u_invert:l?1:0}).draw(d)});this.setOutputData(0,this._tex)}};p.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform float u_intensity;\n\t\t\tuniform int u_invert;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tfloat luminance = 1.0 - length( v_coord - vec2(0.5) ) * 1.414;\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\t\t\t\tif(u_invert == 1)\n\t\t\t\t\tluminance = 1.0 - luminance;\n\t\t\t\tluminance = mix(1.0, luminance, u_intensity);\n\t\t\t   gl_FragColor = vec4( luminance * color.xyz, color.a);\n\t\t\t}\n\t\t\t";
+g.registerNodeType("fx/vigneting",p);q.LGraphFXVigneting=p}})(this);
+(function(q){function g(d){this.cmd=this.channel=0;d?this.setup(d):this.data=[0,0,0]}function f(d,a){navigator.requestMIDIAccess?(this.on_ready=d,this.state={note:[],cc:[]},navigator.requestMIDIAccess().then(this.onMIDISuccess.bind(this),this.onMIDIFailure.bind(this))):(this.error="not suppoorted",a?a("Not supported"):console.error("MIDI NOT SUPPORTED, enable by chrome://flags"))}function e(){this.addOutput("on_midi",s.EVENT);this.addOutput("out","midi");this.properties={port:0};this._current_midi_event=
+this._last_midi_event=null;var d=this;new f(function(a){d._midi=a;if(d._waiting)d.onStart();d._waiting=!1})}function t(){this.addInput("send",s.EVENT);this.properties={port:0};var d=this;new f(function(a){d._midi=a})}function p(){this.addInput("on_midi",s.EVENT);this._str="";this.size=[200,40]}function u(){this.properties={channel:-1,cmd:-1,min_value:-1,max_value:-1};this.addInput("in",s.EVENT);this.addOutput("on_midi",s.EVENT)}function v(){this.properties={channel:0,cmd:"CC",value1:1,value2:1};this.addInput("send",
+s.EVENT);this.addInput("assign",s.EVENT);this.addOutput("on_midi",s.EVENT)}function d(){this.properties={cc:1,value:0};this.addOutput("value","number")}var s=q.LiteGraph;g.prototype.setup=function(d){this.data=d;this.status=d=d[0];var a=d&240;this.cmd=240<=d?d:a;this.cmd==g.NOTEON&&0==this.velocity&&(this.cmd=g.NOTEOFF);this.cmd_str=g.commands[this.cmd]||"";if(a>=g.NOTEON||a<=g.NOTEOFF)this.channel=d&15};Object.defineProperty(g.prototype,"velocity",{get:function(){return this.cmd==g.NOTEON?this.data[2]:
+-1},set:function(d){this.data[2]=d},enumerable:!0});g.notes="A A# B C C# D D# E F F# G G#".split(" ");g.prototype.getPitch=function(){return 440*Math.pow(2,(this.data[1]-69)/12)};g.computePitch=function(d){return 440*Math.pow(2,(d-69)/12)};g.prototype.getCC=function(){return this.data[1]};g.prototype.getCCValue=function(){return this.data[2]};g.prototype.getPitchBend=function(){return this.data[1]+(this.data[2]<<7)-8192};g.computePitchBend=function(d,a){return d+(a<<7)-8192};g.prototype.setCommandFromString=
+function(d){this.cmd=g.computeCommandFromString(d)};g.computeCommandFromString=function(d){if(!d)return 0;if(d&&d.constructor===Number)return d;d=d.toUpperCase();switch(d){case "NOTE ON":case "NOTEON":return g.NOTEON;case "NOTE OFF":case "NOTEOFF":return g.NOTEON;case "KEY PRESSURE":case "KEYPRESSURE":return g.KEYPRESSURE;case "CONTROLLER CHANGE":case "CONTROLLERCHANGE":case "CC":return g.CONTROLLERCHANGE;case "PROGRAM CHANGE":case "PROGRAMCHANGE":case "PC":return g.PROGRAMCHANGE;case "CHANNEL PRESSURE":case "CHANNELPRESSURE":return g.CHANNELPRESSURE;
+case "PITCH BEND":case "PITCHBEND":return g.PITCHBEND;case "TIME TICK":case "TIMETICK":return g.TIMETICK;default:return Number(d)}};g.toNoteString=function(d){var a;a=(d-21)%12;0>a&&(a=12+a);return g.notes[a]+Math.floor((d-24)/12+1)};g.prototype.toString=function(){var d=""+this.channel+". ";switch(this.cmd){case g.NOTEON:d+="NOTEON "+g.toNoteString(this.data[1]);break;case g.NOTEOFF:d+="NOTEOFF "+g.toNoteString(this.data[1]);break;case g.CONTROLLERCHANGE:d+="CC "+this.data[1]+" "+this.data[2];break;
+case g.PROGRAMCHANGE:d+="PC "+this.data[1];break;case g.PITCHBEND:d+="PITCHBEND "+this.getPitchBend();break;case g.KEYPRESSURE:d+="KEYPRESS "+this.data[1]}return d};g.prototype.toHexString=function(){for(var d="",a=0;a<this.data.length;a++)d+=this.data[a].toString(16)+" "};g.NOTEOFF=128;g.NOTEON=144;g.KEYPRESSURE=160;g.CONTROLLERCHANGE=176;g.PROGRAMCHANGE=192;g.CHANNELPRESSURE=208;g.PITCHBEND=224;g.TIMETICK=248;g.commands={128:"note off",144:"note on",160:"key pressure",176:"controller change",192:"program change",
+208:"channel pressure",224:"pitch bend",240:"system",242:"Song pos",243:"Song select",246:"Tune request",248:"time tick",250:"Start Song",251:"Continue Song",252:"Stop Song",254:"Sensing",255:"Reset"};f.input=null;f.MIDIEvent=g;f.prototype.onMIDISuccess=function(d){console.log("MIDI ready!");console.log(d);this.midi=d;this.updatePorts();if(this.on_ready)this.on_ready(this)};f.prototype.updatePorts=function(){var d=this.midi;this.input_ports=d.inputs;for(var a=0,b=this.input_ports.values(),c=b.next();c&&
+!1===c.done;)c=c.value,console.log("Input port [type:'"+c.type+"'] id:'"+c.id+"' manufacturer:'"+c.manufacturer+"' name:'"+c.name+"' version:'"+c.version+"'"),a++,c=b.next();this.num_input_ports=a;a=0;this.output_ports=d.outputs;b=this.output_ports.values();for(c=b.next();c&&!1===c.done;)c=c.value,console.log("Output port [type:'"+c.type+"'] id:'"+c.id+"' manufacturer:'"+c.manufacturer+"' name:'"+c.name+"' version:'"+c.version+"'"),a++,c=b.next();this.num_output_ports=a};f.prototype.onMIDIFailure=
+function(d){console.error("Failed to get MIDI access - "+d)};f.prototype.openInputPort=function(d,a){var b=this.input_ports.get("input-"+d);if(!b)return!1;f.input=this;var c=this;b.onmidimessage=function(b){var d=new g(b.data);c.updateState(d);a&&a(b.data,d);if(f.on_message)f.on_message(b.data,d)};console.log("port open: ",b);return!0};f.parseMsg=function(d){};f.prototype.updateState=function(d){switch(d.cmd){case g.NOTEON:this.state.note[d.value1|0]=d.value2;break;case g.NOTEOFF:this.state.note[d.value1|
+0]=0;break;case g.CONTROLLERCHANGE:this.state.cc[d.getCC()]=d.getCCValue()}};f.prototype.sendMIDI=function(d,a){if(a){var b=this.output_ports.get("output-"+d);b&&(f.output=this,a.constructor===g?b.send(a.data):b.send(a))}};e.MIDIInterface=f;e.title="MIDI Input";e.desc="Reads MIDI from a input port";e.prototype.getPropertyInfo=function(d){if(this._midi&&"port"==d){d={};for(var a=0;a<this._midi.input_ports.size;++a){var b=this._midi.input_ports.get("input-"+a);d[a]=a+".- "+b.name+" version:"+b.version}return{type:"enum",
+values:d}}};e.prototype.onStart=function(){this._midi?this._midi.openInputPort(this.properties.port,this.onMIDIEvent.bind(this)):this._waiting=!0};e.prototype.onMIDIEvent=function(d,a){this._last_midi_event=a;this.trigger("on_midi",a);a.cmd==g.NOTEON?this.trigger("on_noteon",a):a.cmd==g.NOTEOFF?this.trigger("on_noteoff",a):a.cmd==g.CONTROLLERCHANGE?this.trigger("on_cc",a):a.cmd==g.PROGRAMCHANGE?this.trigger("on_pc",a):a.cmd==g.PITCHBEND&&this.trigger("on_pitchbend",a)};e.prototype.onExecute=function(){if(this.outputs)for(var d=
+this._last_midi_event,a=0;a<this.outputs.length;++a){var b=null;switch(this.outputs[a].name){case "midi":b=this._midi;break;case "last_midi":b=d;break;default:continue}this.setOutputData(a,b)}};e.prototype.onGetOutputs=function(){return[["last_midi","midi"],["on_midi",s.EVENT],["on_noteon",s.EVENT],["on_noteoff",s.EVENT],["on_cc",s.EVENT],["on_pc",s.EVENT],["on_pitchbend",s.EVENT]]};s.registerNodeType("midi/input",e);t.MIDIInterface=f;t.title="MIDI Output";t.desc="Sends MIDI to output channel";t.prototype.getPropertyInfo=
+function(d){if(this._midi&&"port"==d){d={};for(var a=0;a<this._midi.output_ports.size;++a){var b=this._midi.output_ports.get(a);d[a]=a+".- "+b.name+" version:"+b.version}return{type:"enum",values:d}}};t.prototype.onAction=function(d,a){console.log(a);this._midi&&("send"==d&&this._midi.sendMIDI(this.port,a),this.trigger("midi",a))};t.prototype.onGetInputs=function(){return[["send",s.ACTION]]};t.prototype.onGetOutputs=function(){return[["on_midi",s.EVENT]]};s.registerNodeType("midi/output",t);p.title=
+"MIDI Show";p.desc="Shows MIDI in the graph";p.prototype.onAction=function(d,a){a&&(this._str=a.constructor===g?a.toString():"???")};p.prototype.onDrawForeground=function(d){this._str&&(d.font="30px Arial",d.fillText(this._str,10,0.8*this.size[1]))};p.prototype.onGetInputs=function(){return[["in",s.ACTION]]};p.prototype.onGetOutputs=function(){return[["on_midi",s.EVENT]]};s.registerNodeType("midi/show",p);u.title="MIDI Filter";u.desc="Filters MIDI messages";u.prototype.onAction=function(d,a){!a||
+a.constructor!==g||-1!=this.properties.channel&&a.channel!=this.properties.channel||-1!=this.properties.cmd&&a.cmd!=this.properties.cmd||-1!=this.properties.min_value&&a.data[1]<this.properties.min_value||-1!=this.properties.max_value&&a.data[1]>this.properties.max_value||this.trigger("on_midi",a)};s.registerNodeType("midi/filter",u);v.title="MIDIEvent";v.desc="Create a MIDI Event";v.prototype.onAction=function(d,a){"assign"==d?(this.properties.channel=a.channel,this.properties.cmd=a.cmd,this.properties.value1=
+a.data[1],this.properties.value2=a.data[2]):(a=new g,a.channel=this.properties.channel,this.properties.cmd&&this.properties.cmd.constructor===String?a.setCommandFromString(this.properties.cmd):a.cmd=this.properties.cmd,a.data[0]=a.cmd|a.channel,a.data[1]=Number(this.properties.value1),a.data[2]=Number(this.properties.value2),this.trigger("on_midi",a))};v.prototype.onExecute=function(){var d=this.properties;if(this.outputs)for(var a=0;a<this.outputs.length;++a){var b=null;switch(this.outputs[a].name){case "midi":b=
+new g;b.setup([d.cmd,d.value1,d.value2]);b.channel=d.channel;break;case "command":b=d.cmd;break;case "cc":b=d.value1;break;case "cc_value":b=d.value2;break;case "note":b=d.cmd==g.NOTEON||d.cmd==g.NOTEOFF?d.value1:null;break;case "velocity":b=d.cmd==g.NOTEON?d.value2:null;break;case "pitch":b=d.cmd==g.NOTEON?g.computePitch(d.value1):null;break;case "pitchbend":b=d.cmd==g.PITCHBEND?g.computePitchBend(d.value1,d.value2):null;break;default:continue}null!==b&&this.setOutputData(a,b)}};v.prototype.onPropertyChanged=
+function(d,a){"cmd"==d&&(this.properties.cmd=g.computeCommandFromString(a))};v.prototype.onGetOutputs=function(){return[["midi","midi"],["on_midi",s.EVENT],["command","number"],["note","number"],["velocity","number"],["cc","number"],["cc_value","number"],["pitch","number"],["pitchbend","number"]]};s.registerNodeType("midi/event",v);d.title="MIDICC";d.desc="gets a Controller Change";d.prototype.onExecute=function(){f.input&&(this.properties.value=f.input.state.cc[this.properties.cc]);this.setOutputData(0,
+this.properties.value)};s.registerNodeType("midi/cc",d)})(this);
+(function(q){function g(){this.properties={src:"",gain:0.5,loop:!0,autoplay:!0,playbackRate:1};this._loading_audio=!1;this._audiobuffer=null;this._audionodes=[];this._last_sourcenode=null;this.addOutput("out","audio");this.addInput("gain","number");this.audionode=r.getAudioContext().createGain();this.audionode.graphnode=this;this.audionode.gain.value=this.properties.gain;this.properties.src&&this.loadSound(this.properties.src)}function f(){this.properties={fftSize:2048,minDecibels:-100,maxDecibels:-10,
+smoothingTimeConstant:0.5};this.audionode=r.getAudioContext().createAnalyser();this.audionode.graphnode=this;this.audionode.fftSize=this.properties.fftSize;this.audionode.minDecibels=this.properties.minDecibels;this.audionode.maxDecibels=this.properties.maxDecibels;this.audionode.smoothingTimeConstant=this.properties.smoothingTimeConstant;this.addInput("in","audio");this.addOutput("freqs","array");this.addOutput("samples","array");this._time_bin=this._freq_bin=null}function e(){this.properties={gain:1};
+this.audionode=r.getAudioContext().createGain();this.addInput("in","audio");this.addInput("gain","number");this.addOutput("out","audio")}function t(){this.properties={impulse_src:"",normalize:!0};this.audionode=r.getAudioContext().createConvolver();this.addInput("in","audio");this.addOutput("out","audio")}function p(){this.properties={threshold:-50,knee:40,ratio:12,reduction:-20,attack:0,release:0.25};this.audionode=r.getAudioContext().createDynamicsCompressor();this.addInput("in","audio");this.addOutput("out",
+"audio")}function u(){this.properties={};this.audionode=r.getAudioContext().createWaveShaper();this.addInput("in","audio");this.addInput("shape","waveshape");this.addOutput("out","audio")}function v(){this.properties={gain1:0.5,gain2:0.5};this.audionode=r.getAudioContext().createGain();this.audionode1=r.getAudioContext().createGain();this.audionode1.gain.value=this.properties.gain1;this.audionode2=r.getAudioContext().createGain();this.audionode2.gain.value=this.properties.gain2;this.audionode1.connect(this.audionode);
+this.audionode2.connect(this.audionode);this.addInput("in1","audio");this.addInput("in1 gain","number");this.addInput("in2","audio");this.addInput("in2 gain","number");this.addOutput("out","audio")}function d(){this.properties={delayTime:0.5};this.audionode=r.getAudioContext().createDelay(10);this.audionode.delayTime.value=this.properties.delayTime;this.addInput("in","audio");this.addInput("time","number");this.addOutput("out","audio")}function s(){this.properties={frequency:350,detune:0,Q:1};this.addProperty("type",
+"lowpass","enum",{values:"lowpass highpass bandpass lowshelf highshelf peaking notch allpass".split(" ")});this.audionode=r.getAudioContext().createBiquadFilter();this.addInput("in","audio");this.addOutput("out","audio")}function l(){this.properties={frequency:440,detune:0,type:"sine"};this.addProperty("type","sine","enum",{values:["sine","square","sawtooth","triangle","custom"]});this.audionode=r.getAudioContext().createOscillator();this.addOutput("out","audio")}function a(){this.properties={continuous:!0,
+mark:-1};this.addInput("data","array");this.addInput("mark","number");this.size=[300,200];this._last_buffer=null}function b(){this.properties={band:440,amplitude:1};this.addInput("freqs","array");this.addOutput("signal","number")}function c(){if(!c.default_code){var a=c.default_function.toString(),b=a.indexOf("{")+1,d=a.lastIndexOf("}");c.default_code=a.substr(b,d-b)}this.properties={code:c.default_code};a=r.getAudioContext();a.createScriptProcessor?this.audionode=a.createScriptProcessor(4096,1,1):
+(console.warn("ScriptProcessorNode deprecated"),this.audionode=a.createGain());this.processCode();c._bypass_function||(c._bypass_function=this.audionode.onaudioprocess);this.addInput("in","audio");this.addOutput("out","audio")}function h(){this.audionode=r.getAudioContext().destination;this.addInput("in","audio")}var k=q.LiteGraph,r={};q.LGAudio=r;r.getAudioContext=function(){if(!this._audio_context){window.AudioContext=window.AudioContext||window.webkitAudioContext;if(!window.AudioContext)return console.error("AudioContext not supported by browser"),
+null;this._audio_context=new AudioContext;this._audio_context.onmessage=function(a){console.log("msg",a)};this._audio_context.onended=function(a){console.log("ended",a)};this._audio_context.oncomplete=function(a){console.log("complete",a)}}return this._audio_context};r.connect=function(a,b){try{a.connect(b)}catch(c){console.warn("LGraphAudio:",c)}};r.disconnect=function(a,b){try{a.disconnect(b)}catch(c){console.warn("LGraphAudio:",c)}};r.changeAllAudiosConnections=function(a,b){if(a.inputs)for(var c=
+0;c<a.inputs.length;++c){var d=a.graph.links[a.inputs[c].link];if(d){var e=a.graph.getNodeById(d.origin_id),f=null,f=e.getAudioNodeInOutputSlot?e.getAudioNodeInOutputSlot(d.origin_slot):e.audionode,d=null,d=a.getAudioNodeInInputSlot?a.getAudioNodeInInputSlot(c):a.audionode;b?r.connect(f,d):r.disconnect(f,d)}}if(a.outputs)for(c=0;c<a.outputs.length;++c)for(var e=a.outputs[c],g=0;g<e.links.length;++g)if(d=a.graph.links[e.links[g]]){var f=a.getAudioNodeInOutputSlot?a.getAudioNodeInOutputSlot(c):a.audionode,
+h=a.graph.getNodeById(d.target_id),d=h.getAudioNodeInInputSlot?h.getAudioNodeInInputSlot(d.target_slot):h.audionode;b?r.connect(f,d):r.disconnect(f,d)}};r.onConnectionsChange=function(a,b,c,d){if(a==k.OUTPUT&&(a=null,d&&(a=this.graph.getNodeById(d.target_id)),a)){var e=null,e=this.getAudioNodeInOutputSlot?this.getAudioNodeInOutputSlot(b):this.audionode;b=null;b=a.getAudioNodeInInputSlot?a.getAudioNodeInInputSlot(d.target_slot):a.audionode;c?r.connect(e,b):r.disconnect(e,b)}};r.createAudioNodeWrapper=
+function(a){var b=a.prototype.onPropertyChanged;a.prototype.onPropertyChanged=function(a,c){b&&b.call(this,a,c);this.audionode&&void 0!==this.audionode[a]&&(void 0!==this.audionode[a].value?this.audionode[a].value=c:this.audionode[a]=c)};a.prototype.onConnectionsChange=r.onConnectionsChange};r.cached_audios={};r.loadSound=function(a,b,c){function d(a){console.log("Audio loading sample error:",a);c&&c(a)}if(r.cached_audios[a]&&-1==a.indexOf("blob:"))b&&b(r.cached_audios[a]);else{r.onProcessAudioURL&&
+(a=r.onProcessAudioURL(a));var e=new XMLHttpRequest;e.open("GET",a,!0);e.responseType="arraybuffer";var f=r.getAudioContext();e.onload=function(){console.log("AudioSource loaded");f.decodeAudioData(e.response,function(c){console.log("AudioSource decoded");r.cached_audios[a]=c;b&&b(c)},d)};e.send();return e}};g["@src"]={widget:"resource"};g.supported_extensions=["wav","ogg","mp3"];g.prototype.onAdded=function(a){if(a.status===LGraph.STATUS_RUNNING)this.onStart()};g.prototype.onStart=function(){this._audiobuffer&&
+this.properties.autoplay&&this.playBuffer(this._audiobuffer)};g.prototype.onStop=function(){this.stopAllSounds()};g.prototype.onPause=function(){this.pauseAllSounds()};g.prototype.onUnpause=function(){this.unpauseAllSounds()};g.prototype.onRemoved=function(){this.stopAllSounds();this._dropped_url&&URL.revokeObjectURL(this._url)};g.prototype.stopAllSounds=function(){for(var a=0;a<this._audionodes.length;++a)this._audionodes[a].started&&(this._audionodes[a].started=!1,this._audionodes[a].stop());this._audionodes.length=
+0};g.prototype.pauseAllSounds=function(){r.getAudioContext().suspend()};g.prototype.unpauseAllSounds=function(){r.getAudioContext().resume()};g.prototype.onExecute=function(){if(this.inputs)for(var a=0;a<this.inputs.length;++a){var b=this.inputs[a];if(null!=b.link){var c=this.getInputData(a);if(void 0!==c)if("gain"==b.name)this.audionode.gain.value=c;else if("playbackRate"==b.name)for(this.properties.playbackRate=c,b=0;b<this._audionodes.length;++b)this._audionodes[b].playbackRate.value=c}}if(this.outputs)for(a=
+0;a<this.outputs.length;++a)"buffer"==this.outputs[a].name&&this._audiobuffer&&this.setOutputData(a,this._audiobuffer)};g.prototype.onAction=function(a){this._audiobuffer&&("Play"==a?this.playBuffer(this._audiobuffer):"Stop"==a&&this.stopAllSounds())};g.prototype.onPropertyChanged=function(a,b){if("src"==a)this.loadSound(b);else if("gain"==a)this.audionode.gain.value=b;else if("playbackRate"==a)for(var c=0;c<this._audionodes.length;++c)this._audionodes[c].playbackRate.value=b};g.prototype.playBuffer=
+function(a){var b=this,c=r.getAudioContext().createBufferSource();this._last_sourcenode=c;c.graphnode=this;c.buffer=a;c.loop=this.properties.loop;c.playbackRate.value=this.properties.playbackRate;this._audionodes.push(c);c.connect(this.audionode);this._audionodes.push(c);c.onended=function(){b.trigger("ended");var a=b._audionodes.indexOf(c);-1!=a&&b._audionodes.splice(a,1)};c.started||(c.started=!0,c.start());return c};g.prototype.loadSound=function(a){function b(a){this.boxcolor=k.NODE_DEFAULT_BOXCOLOR;
+c._audiobuffer=a;c._loading_audio=!1;if(c.graph&&c.graph.status===LGraph.STATUS_RUNNING)c.onStart()}var c=this;this._request&&(this._request.abort(),this._request=null);this._audiobuffer=null;this._loading_audio=!1;a&&(this._request=r.loadSound(a,b),this._loading_audio=!0,this.boxcolor="#AA4")};g.prototype.onConnectionsChange=r.onConnectionsChange;g.prototype.onGetInputs=function(){return[["playbackRate","number"],["Play",k.ACTION],["Stop",k.ACTION]]};g.prototype.onGetOutputs=function(){return[["buffer",
+"audiobuffer"],["ended",k.EVENT]]};g.prototype.onDropFile=function(a){this._dropped_url&&URL.revokeObjectURL(this._dropped_url);a=URL.createObjectURL(a);this.properties.src=a;this.loadSound(a);this._dropped_url=a};g.title="Source";g.desc="Plays audio";k.registerNodeType("audio/source",g);f.prototype.onPropertyChanged=function(a,b){this.audionode[a]=b};f.prototype.onExecute=function(){if(this.isOutputConnected(0)){var a=this.audionode.frequencyBinCount;this._freq_bin&&this._freq_bin.length==a||(this._freq_bin=
+new Uint8Array(a));this.audionode.getByteFrequencyData(this._freq_bin);this.setOutputData(0,this._freq_bin)}this.isOutputConnected(1)&&(a=this.audionode.frequencyBinCount,this._time_bin&&this._time_bin.length==a||(this._time_bin=new Uint8Array(a)),this.audionode.getByteTimeDomainData(this._time_bin),this.setOutputData(1,this._time_bin));for(a=1;a<this.inputs.length;++a){var b=this.inputs[a];if(null!=b.link){var c=this.getInputData(a);void 0!==c&&(this.audionode[b.name].value=c)}}};f.prototype.onGetInputs=
+function(){return[["minDecibels","number"],["maxDecibels","number"],["smoothingTimeConstant","number"]]};f.prototype.onGetOutputs=function(){return[["freqs","array"],["samples","array"]]};f.title="Analyser";f.desc="Audio Analyser";k.registerNodeType("audio/analyser",f);e.prototype.onExecute=function(){if(this.inputs&&this.inputs.length)for(var a=1;a<this.inputs.length;++a){var b=this.inputs[a],c=this.getInputData(a);void 0!==c&&(this.audionode[b.name].value=c)}};r.createAudioNodeWrapper(e);e.title=
+"Gain";e.desc="Audio gain";k.registerNodeType("audio/gain",e);r.createAudioNodeWrapper(t);t.prototype.onRemove=function(){this._dropped_url&&URL.revokeObjectURL(this._dropped_url)};t.prototype.onPropertyChanged=function(a,b){"impulse_src"==a?this.loadImpulse(b):"normalize"==a&&(this.audionode.normalize=b)};t.prototype.onDropFile=function(a){this._dropped_url&&URL.revokeObjectURL(this._dropped_url);this._dropped_url=URL.createObjectURL(a);this.properties.impulse_src=this._dropped_url;this.loadImpulse(this._dropped_url)};
+t.prototype.loadImpulse=function(a){function b(a){c._impulse_buffer=a;c.audionode.buffer=a;console.log("Impulse signal set");c._loading_impulse=!1}var c=this;this._request&&(this._request.abort(),this._request=null);this._impulse_buffer=null;this._loading_impulse=!1;a&&(this._request=r.loadSound(a,b),this._loading_impulse=!0)};t.title="Convolver";t.desc="Convolves the signal (used for reverb)";k.registerNodeType("audio/convolver",t);r.createAudioNodeWrapper(p);p.prototype.onExecute=function(){if(this.inputs&&
+this.inputs.length)for(var a=1;a<this.inputs.length;++a){var b=this.inputs[a];if(null!=b.link){var c=this.getInputData(a);void 0!==c&&(this.audionode[b.name].value=c)}}};p.prototype.onGetInputs=function(){return[["threshold","number"],["knee","number"],["ratio","number"],["reduction","number"],["attack","number"],["release","number"]]};p.title="DynamicsCompressor";p.desc="Dynamics Compressor";k.registerNodeType("audio/dynamicsCompressor",p);u.prototype.onExecute=function(){if(this.inputs&&this.inputs.length){var a=
+this.getInputData(1);void 0!==a&&(this.audionode.curve=a)}};u.prototype.setWaveShape=function(a){this.audionode.curve=a};r.createAudioNodeWrapper(u);v.prototype.getAudioNodeInInputSlot=function(a){if(0==a)return this.audionode1;if(2==a)return this.audionode2};v.prototype.onPropertyChanged=function(a,b){"gain1"==a?this.audionode1.gain.value=b:"gain2"==a&&(this.audionode2.gain.value=b)};v.prototype.onExecute=function(){if(this.inputs&&this.inputs.length)for(var a=1;a<this.inputs.length;++a){var b=this.inputs[a];
+null!=b.link&&"audio"!=b.type&&(b=this.getInputData(a),void 0!==b&&(1==a?this.audionode1.gain.value=b:3==a&&(this.audionode2.gain.value=b)))}};r.createAudioNodeWrapper(v);v.title="Mixer";v.desc="Audio mixer";k.registerNodeType("audio/mixer",v);r.createAudioNodeWrapper(d);d.prototype.onExecute=function(){var a=this.getInputData(1);void 0!==a&&(this.audionode.delayTime.value=a)};d.title="Delay";d.desc="Audio delay";k.registerNodeType("audio/delay",d);s.prototype.onExecute=function(){if(this.inputs&&
+this.inputs.length)for(var a=1;a<this.inputs.length;++a){var b=this.inputs[a];if(null!=b.link){var c=this.getInputData(a);void 0!==c&&(this.audionode[b.name].value=c)}}};s.prototype.onGetInputs=function(){return[["frequency","number"],["detune","number"],["Q","number"]]};r.createAudioNodeWrapper(s);s.title="BiquadFilter";s.desc="Audio filter";k.registerNodeType("audio/biquadfilter",s);l.prototype.onStart=function(){this.audionode.started||(this.audionode.started=!0,this.audionode.start())};l.prototype.onStop=
+function(){this.audionode.started&&(this.audionode.started=!1,this.audionode.stop())};l.prototype.onPause=function(){this.onStop()};l.prototype.onUnpause=function(){this.onStart()};l.prototype.onExecute=function(){if(this.inputs&&this.inputs.length)for(var a=0;a<this.inputs.length;++a){var b=this.inputs[a];if(null!=b.link){var c=this.getInputData(a);void 0!==c&&(this.audionode[b.name].value=c)}}};l.prototype.onGetInputs=function(){return[["frequency","number"],["detune","number"],["type","string"]]};
+r.createAudioNodeWrapper(l);l.title="Oscillator";l.desc="Oscillator";k.registerNodeType("audio/oscillator",l);a.prototype.onExecute=function(){this._last_buffer=this.getInputData(0);var a=this.getInputData(1);void 0!==a&&(this.properties.mark=a);this.setDirtyCanvas(!0,!1)};a.prototype.onDrawForeground=function(a){if(this._last_buffer){var b=this._last_buffer,c=b.length/this.size[0],d=this.size[1];a.fillStyle="black";a.fillRect(0,0,this.size[0],this.size[1]);a.strokeStyle="white";a.beginPath();var e=
+0;if(this.properties.continuous){a.moveTo(e,d);for(var f=0;f<b.length;f+=c)a.lineTo(e,d-b[f|0]/255*d),e++}else for(f=0;f<b.length;f+=c)a.moveTo(e+0.5,d),a.lineTo(e+0.5,d-b[f|0]/255*d),e++;a.stroke();0<=this.properties.mark&&(b=r.getAudioContext().sampleRate/b.length,e=this.properties.mark/b*2/c,e>=this.size[0]&&(e=this.size[0]-1),a.strokeStyle="red",a.beginPath(),a.moveTo(e,d),a.lineTo(e,0),a.stroke())}};a.title="Visualization";a.desc="Audio Visualization";k.registerNodeType("audio/visualization",
+a);b.prototype.onExecute=function(){if(this._freqs=this.getInputData(0)){var a=this.properties.band,b=this.getInputData(1);void 0!==b&&(a=b);b=r.getAudioContext().sampleRate/this._freqs.length;b=a/b*2;b>=this._freqs.length?b=this._freqs[this._freqs.length-1]:(a=b|0,b-=a,b=this._freqs[a]*(1-b)+this._freqs[a+1]*b);this.setOutputData(0,b/255*this.properties.amplitude)}};b.prototype.onGetInputs=function(){return[["band","number"]]};b.title="Signal";b.desc="extract the signal of some frequency";k.registerNodeType("audio/signal",
+b);c.prototype.onAdded=function(a){a.status==LGraph.STATUS_RUNNING&&(this.audionode.onaudioprocess=this._callback)};c["@code"]={widget:"code"};c.prototype.onStart=function(){this.audionode.onaudioprocess=this._callback};c.prototype.onStop=function(){this.audionode.onaudioprocess=c._bypass_function};c.prototype.onPause=function(){this.audionode.onaudioprocess=c._bypass_function};c.prototype.onUnpause=function(){this.audionode.onaudioprocess=this._callback};c.prototype.onExecute=function(){};c.prototype.onRemoved=
+function(){this.audionode.onaudioprocess=c._bypass_function};c.prototype.processCode=function(){try{this._script=new new Function("properties",this.properties.code)(this.properties),this._old_code=this.properties.code,this._callback=this._script.onaudioprocess}catch(a){console.error("Error in onaudioprocess code",a),this._callback=c._bypass_function,this.audionode.onaudioprocess=this._callback}};c.prototype.onPropertyChanged=function(a,b){"code"==a&&(this.properties.code=b,this.processCode(),this.graph&&
+this.graph.status==LGraph.STATUS_RUNNING&&(this.audionode.onaudioprocess=this._callback))};c.default_function=function(){this.onaudioprocess=function(a){var b=a.inputBuffer;a=a.outputBuffer;for(var c=0;c<a.numberOfChannels;c++)for(var d=b.getChannelData(c),e=a.getChannelData(c),f=0;f<b.length;f++)e[f]=d[f]}};r.createAudioNodeWrapper(c);c.title="Script";c.desc="apply script to signal";k.registerNodeType("audio/script",c);h.title="Destination";h.desc="Audio output";k.registerNodeType("audio/destination",
+h)})(this);
+(function(q){function g(){this.size=[60,20];this.addInput("send",e.ACTION);this.addOutput("received",e.EVENT);this.addInput("in",0);this.addOutput("out",0);this.properties={url:"",room:"lgraph"};this._ws=null;this._last_data=[]}function f(){this.size=[60,20];this.addInput("send",e.ACTION);this.addOutput("received",e.EVENT);this.addInput("in",0);this.addOutput("out",0);this.properties={url:"tamats.com:55000",room:"lgraph",save_bandwidth:!0};this._server=null;this.createSocket();this._last_input_data=[];
+this._last_output_data=[]}var e=q.LiteGraph;g.title="WebSocket";g.desc="Send data through a websocket";g.prototype.onPropertyChanged=function(e,f){"url"==e&&this.createSocket()};g.prototype.onExecute=function(){!this._ws&&this.properties.url&&this.createSocket();if(this._ws&&this._ws.readyState==WebSocket.OPEN){for(var e=this.properties.room,f=1;f<this.inputs.length;++f){var g=this.getInputData(f);if(null!=g){var q;try{q=JSON.stringify({type:0,room:e,channel:f,data:g})}catch(d){continue}this._ws.send(q)}}for(f=
+1;f<this.outputs.length;++f)this.setOutputData(f,this._last_data[f])}};g.prototype.createSocket=function(){var e=this,f=this.properties.url;"ws"!=f.substr(0,2)&&(f="ws://"+f);this._ws=new WebSocket(f);this._ws.onopen=function(){console.log("ready");e.boxcolor="#8E8"};this._ws.onmessage=function(f){var g=JSON.parse(f.data);g.room&&g.room!=this.properties.room||(1==f.data.type?e.triggerSlot(0,g):e._last_data[f.data.channel||0]=g.data)};this._ws.onerror=function(f){console.log("couldnt connect to websocket");
+e.boxcolor="#E88"};this._ws.onclose=function(f){console.log("connection closed");e.boxcolor="#000"}};g.prototype.send=function(e){this._ws&&this._ws.readyState==WebSocket.OPEN&&this._ws.send(JSON.stringify({type:1,msg:e}))};g.prototype.onAction=function(e,f){this._ws&&this._ws.readyState==WebSocket.OPEN&&this._ws.send({type:1,room:this.properties.room,action:e,data:f})};g.prototype.onGetInputs=function(){return[["in",0]]};g.prototype.onGetOutputs=function(){return[["out",0]]};e.registerNodeType("network/websocket",
+g);f.title="SillyClient";f.desc="Connects to SillyServer to broadcast messages";f.prototype.onPropertyChanged=function(e,f){var g=this.properties.url+"/"+this.properties.room;this._server&&this._final_url!=g&&(this._server.connect(this.properties.url,this.properties.room),this._final_url=g)};f.prototype.onExecute=function(){if(this._server&&this._server.is_connected){for(var e=this.properties.save_bandwidth,f=1;f<this.inputs.length;++f){var g=this.getInputData(f);null==g||e&&this._last_input_data[f]==
+g||(this._server.sendMessage({type:0,channel:f,data:g}),this._last_input_data[f]=g)}for(f=1;f<this.outputs.length;++f)this.setOutputData(f,this._last_output_data[f])}};f.prototype.createSocket=function(){var e=this;"undefined"==typeof SillyClient?(this._error||console.error("SillyClient node cannot be used, you must include SillyServer.js"),this._error=!0):(this._server=new SillyClient,this._server.on_ready=function(){console.log("ready");e.boxcolor="#8E8"},this._server.on_message=function(f,g){var q=
+null;try{q=JSON.parse(g)}catch(d){return}1==q.type?e.triggerSlot(0,q):e._last_output_data[q.channel||0]=q.data},this._server.on_error=function(f){console.log("couldnt connect to websocket");e.boxcolor="#E88"},this._server.on_close=function(f){console.log("connection closed");e.boxcolor="#000"},this.properties.url&&this.properties.room&&(this._server.connect(this.properties.url,this.properties.room),this._final_url=this.properties.url+"/"+this.properties.room))};f.prototype.send=function(e){this._server&&
+this._server.is_connected&&this._server.sendMessage({type:1,data:e})};f.prototype.onAction=function(e,f){this._server&&this._server.is_connected&&this._server.sendMessage({type:1,action:e,data:f})};f.prototype.onGetInputs=function(){return[["in",0]]};f.prototype.onGetOutputs=function(){return[["out",0]]};e.registerNodeType("network/sillyclient",f)})(this);
diff --git a/demo/demo.js b/demo/demo.js
index 67cfffe72..16ebacbb2 100755
--- a/demo/demo.js
+++ b/demo/demo.js
@@ -66,23 +66,15 @@ function sortTest()
 
 function benchmark()
 {
-	var num_nodes = 500;
-	var consts = [];
-	for(var i = 0; i < num_nodes; i++)
-	{
-		var n = LiteGraph.createNode("math/rand",null, {pos: [(2000 * Math.random())|0, (2000 * Math.random())|0] });
-		graph.add(n);
-		consts.push(n);
-	}
-
-	var watches = [];
+	var num_nodes = 200;
+	var nodes = [];
 	for(var i = 0; i < num_nodes; i++)
 	{
 		var n = LiteGraph.createNode("basic/watch",null, {pos: [(2000 * Math.random())|0, (2000 * Math.random())|0] });
 		graph.add(n);
-		watches.push(n);
+		nodes.push(n);
 	}
 
-	for(var i = 0; i < num_nodes; i++)
-		consts[ (Math.random() * consts.length)|0 ].connect(0, watches[ (Math.random() * watches.length)|0 ], 0 );
+	for(var i = 0; i < nodes.length; i++)
+		nodes[ (Math.random() * nodes.length)|0 ].connect(0, nodes[ (Math.random() * nodes.length)|0 ], 0 );
 }
\ No newline at end of file
diff --git a/doc/classes/ContextMenu.html b/doc/classes/ContextMenu.html
index a4ccbeadf..b02edba49 100644
--- a/doc/classes/ContextMenu.html
+++ b/doc/classes/ContextMenu.html
@@ -85,7 +85,7 @@
 
 
         <div class="foundat">
-            Defined in: <a href="../files/.._src_litegraph.js.html#l5876"><code>..&#x2F;src&#x2F;litegraph.js:5876</code></a>
+            Defined in: <a href="../files/.._src_litegraph.js.html#l6083"><code>..&#x2F;src&#x2F;litegraph.js:6083</code></a>
         </div>
 
 
@@ -123,7 +123,7 @@
     <div class="meta">
                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l5876"><code>..&#x2F;src&#x2F;litegraph.js:5876</code></a>
+        <a href="../files/.._src_litegraph.js.html#l6083"><code>..&#x2F;src&#x2F;litegraph.js:6083</code></a>
         </p>
 
 
diff --git a/doc/classes/LGraph.html b/doc/classes/LGraph.html
index 84ace4183..b7416a56c 100644
--- a/doc/classes/LGraph.html
+++ b/doc/classes/LGraph.html
@@ -85,7 +85,7 @@
 
 
         <div class="foundat">
-            Defined in: <a href="../files/.._src_litegraph.js.html#l377"><code>..&#x2F;src&#x2F;litegraph.js:377</code></a>
+            Defined in: <a href="../files/.._src_litegraph.js.html#l378"><code>..&#x2F;src&#x2F;litegraph.js:378</code></a>
         </div>
 
 
@@ -114,7 +114,7 @@
     <div class="meta">
                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l377"><code>..&#x2F;src&#x2F;litegraph.js:377</code></a>
+        <a href="../files/.._src_litegraph.js.html#l378"><code>..&#x2F;src&#x2F;litegraph.js:378</code></a>
         </p>
 
 
@@ -149,6 +149,10 @@
                             <li class="index-item method">
                                 <a href="#method_add">add</a>
 
+                            </li>
+                            <li class="index-item method">
+                                <a href="#method_arrange">arrange</a>
+
                             </li>
                             <li class="index-item method">
                                 <a href="#method_attachCanvas">attachCanvas</a>
@@ -269,7 +273,7 @@
     <div class="meta">
                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l799"><code>..&#x2F;src&#x2F;litegraph.js:799</code></a>
+        <a href="../files/.._src_litegraph.js.html#l856"><code>..&#x2F;src&#x2F;litegraph.js:856</code></a>
         </p>
 
 
@@ -301,6 +305,37 @@
 
 
 
+</div>
+<div id="method_arrange" class="method item">
+    <h3 class="name"><code>arrange</code></h3>
+
+        <span class="paren">()</span>
+
+
+
+
+
+
+
+
+    <div class="meta">
+                <p>
+                Defined in
+        <a href="../files/.._src_litegraph.js.html#l736"><code>..&#x2F;src&#x2F;litegraph.js:736</code></a>
+        </p>
+
+
+
+    </div>
+
+    <div class="description">
+        <p>Positions every node in a more readable manner</p>
+
+    </div>
+
+
+
+
 </div>
 <div id="method_attachCanvas" class="method item">
     <h3 class="name"><code>attachCanvas</code></h3>
@@ -323,7 +358,7 @@
     <div class="meta">
                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l452"><code>..&#x2F;src&#x2F;litegraph.js:452</code></a>
+        <a href="../files/.._src_litegraph.js.html#l453"><code>..&#x2F;src&#x2F;litegraph.js:453</code></a>
         </p>
 
 
@@ -370,7 +405,7 @@
     <div class="meta">
                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l403"><code>..&#x2F;src&#x2F;litegraph.js:403</code></a>
+        <a href="../files/.._src_litegraph.js.html#l404"><code>..&#x2F;src&#x2F;litegraph.js:404</code></a>
         </p>
 
 
@@ -407,7 +442,7 @@
     <div class="meta">
                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l1298"><code>..&#x2F;src&#x2F;litegraph.js:1298</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1355"><code>..&#x2F;src&#x2F;litegraph.js:1355</code></a>
         </p>
 
 
@@ -461,7 +496,7 @@
     <div class="meta">
                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l471"><code>..&#x2F;src&#x2F;litegraph.js:471</code></a>
+        <a href="../files/.._src_litegraph.js.html#l472"><code>..&#x2F;src&#x2F;litegraph.js:472</code></a>
         </p>
 
 
@@ -517,7 +552,7 @@
     <div class="meta">
                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l937"><code>..&#x2F;src&#x2F;litegraph.js:937</code></a>
+        <a href="../files/.._src_litegraph.js.html#l994"><code>..&#x2F;src&#x2F;litegraph.js:994</code></a>
         </p>
 
 
@@ -583,7 +618,7 @@
     <div class="meta">
                 <p>
                 Defined in
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--- a/doc/classes/LGraphCanvas.html
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+        <a href="../files/.._src_litegraph.js.html#l2249"><code>..&#x2F;src&#x2F;litegraph.js:2249</code></a>
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@@ -2072,7 +2073,7 @@
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                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l2701"><code>..&#x2F;src&#x2F;litegraph.js:2701</code></a>
+        <a href="../files/.._src_litegraph.js.html#l2758"><code>..&#x2F;src&#x2F;litegraph.js:2758</code></a>
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@@ -2109,7 +2110,7 @@
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                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l2090"><code>..&#x2F;src&#x2F;litegraph.js:2090</code></a>
+        <a href="../files/.._src_litegraph.js.html#l2147"><code>..&#x2F;src&#x2F;litegraph.js:2147</code></a>
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@@ -2162,7 +2163,7 @@
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                 <p>
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-        <a href="../files/.._src_litegraph.js.html#l2027"><code>..&#x2F;src&#x2F;litegraph.js:2027</code></a>
+        <a href="../files/.._src_litegraph.js.html#l2084"><code>..&#x2F;src&#x2F;litegraph.js:2084</code></a>
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                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l1581"><code>..&#x2F;src&#x2F;litegraph.js:1581</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1638"><code>..&#x2F;src&#x2F;litegraph.js:1638</code></a>
         </p>
 
 
@@ -2249,7 +2250,7 @@
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                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l1682"><code>..&#x2F;src&#x2F;litegraph.js:1682</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1739"><code>..&#x2F;src&#x2F;litegraph.js:1739</code></a>
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@@ -2306,7 +2307,7 @@
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                 <p>
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-        <a href="../files/.._src_litegraph.js.html#l1657"><code>..&#x2F;src&#x2F;litegraph.js:1657</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1714"><code>..&#x2F;src&#x2F;litegraph.js:1714</code></a>
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@@ -2346,7 +2347,7 @@
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                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l1883"><code>..&#x2F;src&#x2F;litegraph.js:1883</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1940"><code>..&#x2F;src&#x2F;litegraph.js:1940</code></a>
         </p>
 
 
@@ -2413,7 +2414,7 @@
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                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l1906"><code>..&#x2F;src&#x2F;litegraph.js:1906</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1963"><code>..&#x2F;src&#x2F;litegraph.js:1963</code></a>
         </p>
 
 
diff --git a/doc/classes/LiteGraph.html b/doc/classes/LiteGraph.html
index ee79943b7..5107d175d 100644
--- a/doc/classes/LiteGraph.html
+++ b/doc/classes/LiteGraph.html
@@ -205,7 +205,7 @@
     <div class="meta">
                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l164"><code>..&#x2F;src&#x2F;litegraph.js:164</code></a>
+        <a href="../files/.._src_litegraph.js.html#l165"><code>..&#x2F;src&#x2F;litegraph.js:165</code></a>
         </p>
 
 
@@ -265,7 +265,7 @@
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                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l182"><code>..&#x2F;src&#x2F;litegraph.js:182</code></a>
+        <a href="../files/.._src_litegraph.js.html#l183"><code>..&#x2F;src&#x2F;litegraph.js:183</code></a>
         </p>
 
 
@@ -344,7 +344,7 @@
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                 <p>
                 Defined in
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+        <a href="../files/.._src_litegraph.js.html#l226"><code>..&#x2F;src&#x2F;litegraph.js:226</code></a>
         </p>
 
 
@@ -410,7 +410,7 @@
     <div class="meta">
                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l238"><code>..&#x2F;src&#x2F;litegraph.js:238</code></a>
+        <a href="../files/.._src_litegraph.js.html#l239"><code>..&#x2F;src&#x2F;litegraph.js:239</code></a>
         </p>
 
 
@@ -470,7 +470,7 @@
     <div class="meta">
                 <p>
                 Defined in
-        <a href="../files/.._src_litegraph.js.html#l260"><code>..&#x2F;src&#x2F;litegraph.js:260</code></a>
+        <a href="../files/.._src_litegraph.js.html#l261"><code>..&#x2F;src&#x2F;litegraph.js:261</code></a>
         </p>
 
 
@@ -601,7 +601,8 @@
     </div>
 
     <div class="description">
-        <p>create a new node type by passing a function, it wraps it with a propper class</p>
+        <p>Create a new node type by passing a function, it wraps it with a propper class and generates inputs according to the parameters of the function.
+Useful to wrap simple methods that do not require properties, and that only process some input to generate an output.</p>
 
     </div>
 
diff --git a/doc/data.json b/doc/data.json
index bfa3d4f81..57ea0a337 100644
--- a/doc/data.json
+++ b/doc/data.json
@@ -39,7 +39,7 @@
             "plugin_for": [],
             "extension_for": [],
             "file": "../src/litegraph.js",
-            "line": 377,
+            "line": 378,
             "description": "LGraph is the class that contain a full graph. We instantiate one and add nodes to it, and then we can run the execution loop.",
             "is_constructor": 1
         },
@@ -52,7 +52,7 @@
             "plugin_for": [],
             "extension_for": [],
             "file": "../src/litegraph.js",
-            "line": 1430,
+            "line": 1487,
             "description": "Base Class for all the node type classes",
             "params": [
                 {
@@ -71,7 +71,7 @@
             "plugin_for": [],
             "extension_for": [],
             "file": "../src/litegraph.js",
-            "line": 3134,
+            "line": 3203,
             "description": "marks as dirty the canvas, this way it will be rendered again",
             "is_constructor": 1,
             "params": [
@@ -102,7 +102,7 @@
             "plugin_for": [],
             "extension_for": [],
             "file": "../src/litegraph.js",
-            "line": 5876,
+            "line": 6083,
             "description": "ContextMenu from LiteGUI",
             "is_constructor": 1,
             "params": [
@@ -144,7 +144,7 @@
         {
             "file": "../src/litegraph.js",
             "line": 135,
-            "description": "create a new node type by passing a function, it wraps it with a propper class",
+            "description": "Create a new node type by passing a function, it wraps it with a propper class and generates inputs according to the parameters of the function.\nUseful to wrap simple methods that do not require properties, and that only process some input to generate an output.",
             "itemtype": "method",
             "name": "wrapFunctionAsNode",
             "params": [
@@ -173,7 +173,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 164,
+            "line": 165,
             "description": "Adds this method to all nodetypes, existing and to be created\n(You can add it to LGraphNode.prototype but then existing node types wont have it)",
             "itemtype": "method",
             "name": "addNodeMethod",
@@ -188,7 +188,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 182,
+            "line": 183,
             "description": "Create a node of a given type with a name. The node is not attached to any graph yet.",
             "itemtype": "method",
             "name": "createNode",
@@ -213,7 +213,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 225,
+            "line": 226,
             "description": "Returns a registered node type with a given name",
             "itemtype": "method",
             "name": "getNodeType",
@@ -232,7 +232,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 238,
+            "line": 239,
             "description": "Returns a list of node types matching one category",
             "itemtype": "method",
             "name": "getNodeType",
@@ -251,7 +251,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 260,
+            "line": 261,
             "description": "Returns a list with all the node type categories",
             "itemtype": "method",
             "name": "getNodeTypesCategories",
@@ -263,7 +263,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 403,
+            "line": 404,
             "description": "Removes all nodes from this graph",
             "itemtype": "method",
             "name": "clear",
@@ -271,7 +271,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 452,
+            "line": 453,
             "description": "Attach Canvas to this graph",
             "itemtype": "method",
             "name": "attachCanvas",
@@ -286,7 +286,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 471,
+            "line": 472,
             "description": "Detach Canvas from this graph",
             "itemtype": "method",
             "name": "detachCanvas",
@@ -301,7 +301,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 489,
+            "line": 490,
             "description": "Starts running this graph every interval milliseconds.",
             "itemtype": "method",
             "name": "start",
@@ -316,7 +316,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 517,
+            "line": 518,
             "description": "Stops the execution loop of the graph",
             "itemtype": "method",
             "name": "stop execution",
@@ -324,7 +324,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 539,
+            "line": 540,
             "description": "Run N steps (cycles) of the graph",
             "itemtype": "method",
             "name": "runStep",
@@ -339,7 +339,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 618,
+            "line": 619,
             "description": "Updates the graph execution order according to relevance of the nodes (nodes with only outputs have more relevance than\nnodes with only inputs.",
             "itemtype": "method",
             "name": "updateExecutionOrder",
@@ -347,7 +347,15 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 722,
+            "line": 736,
+            "description": "Positions every node in a more readable manner",
+            "itemtype": "method",
+            "name": "arrange",
+            "class": "LGraph"
+        },
+        {
+            "file": "../src/litegraph.js",
+            "line": 780,
             "description": "Returns the amount of time the graph has been running in milliseconds",
             "itemtype": "method",
             "name": "getTime",
@@ -359,7 +367,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 733,
+            "line": 790,
             "description": "Returns the amount of time accumulated using the fixedtime_lapse var. This is used in context where the time increments should be constant",
             "itemtype": "method",
             "name": "getFixedTime",
@@ -371,7 +379,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 744,
+            "line": 801,
             "description": "Returns the amount of time it took to compute the latest iteration. Take into account that this number could be not correct\nif the nodes are using graphical actions",
             "itemtype": "method",
             "name": "getElapsedTime",
@@ -383,7 +391,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 756,
+            "line": 813,
             "description": "Sends an event to all the nodes, useful to trigger stuff",
             "itemtype": "method",
             "name": "sendEventToAllNodes",
@@ -403,7 +411,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 799,
+            "line": 856,
             "description": "Adds a new node instasnce to this graph",
             "itemtype": "method",
             "name": "add",
@@ -418,7 +426,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 855,
+            "line": 912,
             "description": "Removes a node from the graph",
             "itemtype": "method",
             "name": "remove",
@@ -433,7 +441,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 924,
+            "line": 981,
             "description": "Returns a node by its id.",
             "itemtype": "method",
             "name": "getNodeById",
@@ -448,7 +456,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 937,
+            "line": 994,
             "description": "Returns a list of nodes that matches a class",
             "itemtype": "method",
             "name": "findNodesByClass",
@@ -467,7 +475,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 953,
+            "line": 1010,
             "description": "Returns a list of nodes that matches a type",
             "itemtype": "method",
             "name": "findNodesByType",
@@ -486,7 +494,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 970,
+            "line": 1027,
             "description": "Returns a list of nodes that matches a name",
             "itemtype": "method",
             "name": "findNodesByName",
@@ -505,7 +513,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 986,
+            "line": 1043,
             "description": "Returns the top-most node in this position of the canvas",
             "itemtype": "method",
             "name": "getNodeOnPos",
@@ -534,7 +542,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1173,
+            "line": 1230,
             "description": "Assigns a value to all the nodes that matches this name. This is used to create global variables of the node that\ncan be easily accesed from the outside of the graph",
             "itemtype": "method",
             "name": "setInputData",
@@ -554,7 +562,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1188,
+            "line": 1245,
             "description": "Returns the value of the first node with this name. This is used to access global variables of the graph from the outside",
             "itemtype": "method",
             "name": "setInputData",
@@ -573,7 +581,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1228,
+            "line": 1285,
             "description": "returns if the graph is in live mode",
             "itemtype": "method",
             "name": "isLive",
@@ -581,7 +589,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1265,
+            "line": 1322,
             "description": "Creates a Object containing all the info about this graph, it can be serialized",
             "itemtype": "method",
             "name": "serialize",
@@ -593,7 +601,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1298,
+            "line": 1355,
             "description": "Configure a graph from a JSON string",
             "itemtype": "method",
             "name": "configure",
@@ -608,7 +616,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1485,
+            "line": 1542,
             "description": "configure a node from an object containing the serialized info",
             "itemtype": "method",
             "name": "configure",
@@ -616,7 +624,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1581,
+            "line": 1638,
             "description": "serialize the content",
             "itemtype": "method",
             "name": "serialize",
@@ -624,7 +632,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1657,
+            "line": 1714,
             "description": "serialize and stringify",
             "itemtype": "method",
             "name": "toString",
@@ -632,7 +640,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1669,
+            "line": 1726,
             "description": "get the title string",
             "itemtype": "method",
             "name": "getTitle",
@@ -640,7 +648,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1682,
+            "line": 1739,
             "description": "sets the output data",
             "itemtype": "method",
             "name": "setOutputData",
@@ -660,7 +668,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1718,
+            "line": 1775,
             "description": "retrieves the input data (data traveling through the connection) from one slot",
             "itemtype": "method",
             "name": "getInputData",
@@ -684,7 +692,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1754,
+            "line": 1811,
             "description": "tells you if there is a connection in one input slot",
             "itemtype": "method",
             "name": "isInputConnected",
@@ -703,7 +711,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1767,
+            "line": 1824,
             "description": "tells you info about an input connection (which node, type, etc)",
             "itemtype": "method",
             "name": "getInputInfo",
@@ -722,7 +730,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1782,
+            "line": 1839,
             "description": "returns the node connected in the input slot",
             "itemtype": "method",
             "name": "getInputNode",
@@ -741,7 +749,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1803,
+            "line": 1860,
             "description": "tells you the last output data that went in that slot",
             "itemtype": "method",
             "name": "getOutputData",
@@ -760,7 +768,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1821,
+            "line": 1878,
             "description": "tells you info about an output connection (which node, type, etc)",
             "itemtype": "method",
             "name": "getOutputInfo",
@@ -779,7 +787,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1837,
+            "line": 1894,
             "description": "tells you if there is a connection in one output slot",
             "itemtype": "method",
             "name": "isOutputConnected",
@@ -798,7 +806,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1850,
+            "line": 1907,
             "description": "retrieves all the nodes connected to this output slot",
             "itemtype": "method",
             "name": "getOutputNodes",
@@ -817,7 +825,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1883,
+            "line": 1940,
             "description": "Triggers an event in this node, this will trigger any output with the same name",
             "itemtype": "method",
             "name": "trigger",
@@ -837,7 +845,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1906,
+            "line": 1963,
             "description": "Triggers an slot event in this node",
             "itemtype": "method",
             "name": "triggerSlot",
@@ -857,7 +865,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1953,
+            "line": 2010,
             "description": "add a new property to this node",
             "itemtype": "method",
             "name": "addProperty",
@@ -887,7 +895,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1979,
+            "line": 2036,
             "description": "add a new output slot to use in this node",
             "itemtype": "method",
             "name": "addOutput",
@@ -912,7 +920,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2002,
+            "line": 2059,
             "description": "add a new output slot to use in this node",
             "itemtype": "method",
             "name": "addOutputs",
@@ -927,7 +935,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2027,
+            "line": 2084,
             "description": "remove an existing output slot",
             "itemtype": "method",
             "name": "removeOutput",
@@ -942,7 +950,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2041,
+            "line": 2098,
             "description": "add a new input slot to use in this node",
             "itemtype": "method",
             "name": "addInput",
@@ -967,7 +975,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2065,
+            "line": 2122,
             "description": "add several new input slots in this node",
             "itemtype": "method",
             "name": "addInputs",
@@ -982,7 +990,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2090,
+            "line": 2147,
             "description": "remove an existing input slot",
             "itemtype": "method",
             "name": "removeInput",
@@ -997,7 +1005,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2104,
+            "line": 2161,
             "description": "add an special connection to this node (used for special kinds of graphs)",
             "itemtype": "method",
             "name": "addConnection",
@@ -1027,7 +1035,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2125,
+            "line": 2182,
             "description": "computes the size of a node according to its inputs and output slots",
             "itemtype": "method",
             "name": "computeSize",
@@ -1046,8 +1054,8 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2176,
-            "description": "returns the bounding of the object, used for rendering purposes",
+            "line": 2233,
+            "description": "returns the bounding of the object, used for rendering purposes\nbounding is: [topleft_cornerx, topleft_cornery, width, height]",
             "itemtype": "method",
             "name": "getBounding",
             "return": {
@@ -1058,7 +1066,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2191,
+            "line": 2249,
             "description": "checks if a point is inside the shape of a node",
             "itemtype": "method",
             "name": "isPointInsideNode",
@@ -1082,7 +1090,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2215,
+            "line": 2273,
             "description": "checks if a point is inside a node slot, and returns info about which slot",
             "itemtype": "method",
             "name": "getSlotInPosition",
@@ -1106,7 +1114,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2246,
+            "line": 2304,
             "description": "returns the input slot with a given name (used for dynamic slots), -1 if not found",
             "itemtype": "method",
             "name": "findInputSlot",
@@ -1125,7 +1133,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2262,
+            "line": 2320,
             "description": "returns the output slot with a given name (used for dynamic slots), -1 if not found",
             "itemtype": "method",
             "name": "findOutputSlot",
@@ -1144,7 +1152,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2277,
+            "line": 2335,
             "description": "connect this node output to the input of another node",
             "itemtype": "method",
             "name": "connect",
@@ -1173,7 +1181,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2395,
+            "line": 2453,
             "description": "disconnect one output to an specific node",
             "itemtype": "method",
             "name": "disconnectOutput",
@@ -1197,7 +1205,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2485,
+            "line": 2543,
             "description": "disconnect one input",
             "itemtype": "method",
             "name": "disconnectInput",
@@ -1216,7 +1224,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2554,
+            "line": 2611,
             "description": "returns the center of a connection point in canvas coords",
             "itemtype": "method",
             "name": "getConnectionPos",
@@ -1240,7 +1248,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2688,
+            "line": 2745,
             "description": "Collapse the node to make it smaller on the canvas",
             "itemtype": "method",
             "name": "collapse",
@@ -1248,7 +1256,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2701,
+            "line": 2758,
             "description": "Forces the node to do not move or realign on Z",
             "itemtype": "method",
             "name": "pin",
@@ -1256,7 +1264,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2793,
+            "line": 2852,
             "description": "clears all the data inside",
             "itemtype": "method",
             "name": "clear",
@@ -1264,7 +1272,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2828,
+            "line": 2891,
             "description": "assigns a graph, you can reasign graphs to the same canvas",
             "itemtype": "method",
             "name": "setGraph",
@@ -1279,7 +1287,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2859,
+            "line": 2922,
             "description": "opens a graph contained inside a node in the current graph",
             "itemtype": "method",
             "name": "openSubgraph",
@@ -1294,7 +1302,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2886,
+            "line": 2949,
             "description": "closes a subgraph contained inside a node",
             "itemtype": "method",
             "name": "closeSubgraph",
@@ -1309,7 +1317,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2902,
+            "line": 2966,
             "description": "assigns a canvas",
             "itemtype": "method",
             "name": "setCanvas",
@@ -1324,7 +1332,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 3150,
+            "line": 3219,
             "description": "Used to attach the canvas in a popup",
             "itemtype": "method",
             "name": "getCanvasWindow",
@@ -1336,7 +1344,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 3164,
+            "line": 3233,
             "description": "starts rendering the content of the canvas when needed",
             "itemtype": "method",
             "name": "startRendering",
@@ -1344,7 +1352,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 3188,
+            "line": 3257,
             "description": "stops rendering the content of the canvas (to save resources)",
             "itemtype": "method",
             "name": "stopRendering",
diff --git a/doc/files/.._src_litegraph.js.html b/doc/files/.._src_litegraph.js.html
index c39b266aa..0eda72bcf 100644
--- a/doc/files/.._src_litegraph.js.html
+++ b/doc/files/.._src_litegraph.js.html
@@ -219,7 +219,8 @@ var LiteGraph = global.LiteGraph = {
 	},
 
 	/**
-	* create a new node type by passing a function, it wraps it with a propper class
+	* Create a new node type by passing a function, it wraps it with a propper class and generates inputs according to the parameters of the function.
+	* Useful to wrap simple methods that do not require properties, and that only process some input to generate an output.
 	* @method wrapFunctionAsNode
 	* @param {String} name node name with namespace (p.e.: &#x27;math/sum&#x27;)
 	* @param {Function} func
@@ -716,7 +717,7 @@ LGraph.prototype.updateExecutionOrder = function()
 }
 
 //This is more internal, it computes the order and returns it
-LGraph.prototype.computeExecutionOrder = function( only_onExecute )
+LGraph.prototype.computeExecutionOrder = function( only_onExecute, set_level )
 {
 	var L = [];
 	var S = [];
@@ -727,22 +728,30 @@ LGraph.prototype.computeExecutionOrder = function( only_onExecute )
 	//search for the nodes without inputs (starting nodes)
 	for (var i = 0, l = this._nodes.length; i &lt; l; ++i)
 	{
-		var n = this._nodes[i];
-		if( only_onExecute &amp;&amp; !n.onExecute )
+		var node = this._nodes[i];
+		if( only_onExecute &amp;&amp; !node.onExecute )
 			continue;
 
-		M[n.id] = n; //add to pending nodes
+		M[node.id] = node; //add to pending nodes
 
 		var num = 0; //num of input connections
-		if(n.inputs)
-			for(var j = 0, l2 = n.inputs.length; j &lt; l2; j++)
-				if(n.inputs[j] &amp;&amp; n.inputs[j].link != null)
+		if(node.inputs)
+			for(var j = 0, l2 = node.inputs.length; j &lt; l2; j++)
+				if(node.inputs[j] &amp;&amp; node.inputs[j].link != null)
 					num += 1;
 
 		if(num == 0) //is a starting node
-			S.push(n);
+		{
+			S.push(node);
+			if(set_level)
+				node._level = 1;
+		}
 		else //num of input links
-			remaining_links[n.id] = num;
+		{
+			if(set_level)
+				node._level = 0;
+			remaining_links[node.id] = num;
+		}
 	}
 
 	while(true)
@@ -751,43 +760,49 @@ LGraph.prototype.computeExecutionOrder = function( only_onExecute )
 			break;
 
 		//get an starting node
-		var n = S.shift();
-		L.push(n); //add to ordered list
-		delete M[n.id]; //remove from the pending nodes
+		var node = S.shift();
+		L.push(node); //add to ordered list
+		delete M[node.id]; //remove from the pending nodes
+
+		if(!node.outputs)
+			continue;
 
 		//for every output
-		if(n.outputs)
-			for(var i = 0; i &lt; n.outputs.length; i++)
+		for(var i = 0; i &lt; node.outputs.length; i++)
+		{
+			var output = node.outputs[i];
+			//not connected
+			if(output == null || output.links == null || output.links.length == 0)
+				continue;
+
+			//for every connection
+			for(var j = 0; j &lt; output.links.length; j++)
 			{
-				var output = n.outputs[i];
-				//not connected
-				if(output == null || output.links == null || output.links.length == 0)
+				var link_id = output.links[j];
+				var link = this.links[link_id];
+				if(!link)
 					continue;
 
-				//for every connection
-				for(var j = 0; j &lt; output.links.length; j++)
+				//already visited link (ignore it)
+				if(visited_links[ link.id ])
+					continue;
+
+				var target_node = this.getNodeById( link.target_id );
+				if(target_node == null)
 				{
-					var link_id = output.links[j];
-					var link = this.links[link_id];
-					if(!link) continue;
-
-					//already visited link (ignore it)
-					if(visited_links[ link.id ])
-						continue;
-
-					var target_node = this.getNodeById( link.target_id );
-					if(target_node == null)
-					{
-						visited_links[ link.id ] = true;
-						continue;
-					}
-
-					visited_links[link.id] = true; //mark as visited
-					remaining_links[target_node.id] -= 1; //reduce the number of links remaining
-					if (remaining_links[target_node.id] == 0)
-						S.push(target_node); //if no more links, then add to Starters array
+					visited_links[ link.id ] = true;
+					continue;
 				}
+
+				if(set_level &amp;&amp; (!target_node._level || target_node._level &lt;= node._level))
+					target_node._level = node._level + 1;
+
+				visited_links[link.id] = true; //mark as visited
+				remaining_links[target_node.id] -= 1; //reduce the number of links remaining
+				if (remaining_links[ target_node.id ] == 0)
+					S.push(target_node); //if no more links, then add to starters array
 			}
+		}
 	}
 
 	//the remaining ones (loops)
@@ -804,13 +819,55 @@ LGraph.prototype.computeExecutionOrder = function( only_onExecute )
 	return L;
 }
 
+/**
+* Positions every node in a more readable manner
+* @method arrange
+*/
+LGraph.prototype.arrange = function( margin )
+{
+	margin = margin || 40;
+
+	var nodes = this.computeExecutionOrder( false, true );
+	var columns = [];
+	for(var i = 0; i &lt; nodes.length; ++i)
+	{
+		var node = nodes[i];
+		var col = node._level || 1;
+		if(!columns[col])
+			columns[col] = [];
+		columns[col].push( node );
+	}
+
+	var x = margin;
+
+	for(var i = 0; i &lt; columns.length; ++i)
+	{
+		var column = columns[i];
+		if(!column)
+			continue;
+		var max_size = 100;
+		var y = margin;
+		for(var j = 0; j &lt; column.length; ++j)
+		{
+			var node = column[j];
+			node.pos[0] = x;
+			node.pos[1] = y;
+			if(node.size[0] &gt; max_size)
+				max_size = node.size[0];
+			y += node.size[1] + margin;
+		}
+		x += max_size + margin;
+	}
+
+	this.setDirtyCanvas(true,true);
+}
+
 
 /**
 * Returns the amount of time the graph has been running in milliseconds
 * @method getTime
 * @return {number} number of milliseconds the graph has been running
 */
-
 LGraph.prototype.getTime = function()
 {
 	return this.globaltime;
@@ -2261,6 +2318,7 @@ LGraphNode.prototype.computeSize = function( minHeight, out )
 
 /**
 * returns the bounding of the object, used for rendering purposes
+* bounding is: [topleft_cornerx, topleft_cornery, width, height]
 * @method getBounding
 * @return {Float32Array[4]} the total size
 */
@@ -2269,8 +2327,8 @@ LGraphNode.prototype.getBounding = function( out )
 	out = out || new Float32Array(4);
 	out[0] = this.pos[0] - 4;
 	out[1] = this.pos[1] - LiteGraph.NODE_TITLE_HEIGHT;
-	out[2] = this.pos[0] + this.size[0] + 4;
-	out[3] = this.pos[1] + this.size[1] + LGraph.NODE_TITLE_HEIGHT;
+	out[2] = this.size[0] + 4;
+	out[3] = this.size[1] + LiteGraph.NODE_TITLE_HEIGHT;
 	return out;
 }
 
@@ -2616,8 +2674,7 @@ LGraphNode.prototype.disconnectInput = function( slot )
 		//search in the inputs list for this link
 		for(var i = 0, l = output.links.length; i &lt; l; i++)
 		{
-			var link_id = output.links[i];
-			if( link_info.target_id == this.id )
+			if( output.links[i] == link_id )
 			{
 				output.links.splice(i,1);
 				break;
@@ -2825,7 +2882,7 @@ function LGraphCanvas( canvas, graph, options )
 
 	//if(graph === undefined)
   //	throw (&quot;No graph assigned&quot;);
-  this.background_image = &#x27;data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAIAAAD/gAIDAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQBJREFUeNrs1rEKwjAUhlETUkj3vP9rdmr1Ysammk2w5wdxuLgcMHyptfawuZX4pJSWZTnfnu/lnIe/jNNxHHGNn//HNbbv+4dr6V+11uF527arU7+u63qfa/bnmh8sWLBgwYJlqRf8MEptXPBXJXa37BSl3ixYsGDBMliwFLyCV/DeLIMFCxYsWLBMwSt4Be/NggXLYMGCBUvBK3iNruC9WbBgwYJlsGApeAWv4L1ZBgsWLFiwYJmCV/AK3psFC5bBggULloJX8BpdwXuzYMGCBctgwVLwCl7Be7MMFixYsGDBsu8FH1FaSmExVfAxBa/gvVmwYMGCZbBg/W4vAQYA5tRF9QYlv/QAAAAASUVORK5CYII=&#x27;
+	this.background_image = &#x27;data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAIAAAD/gAIDAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQBJREFUeNrs1rEKwjAUhlETUkj3vP9rdmr1Ysammk2w5wdxuLgcMHyptfawuZX4pJSWZTnfnu/lnIe/jNNxHHGNn//HNbbv+4dr6V+11uF527arU7+u63qfa/bnmh8sWLBgwYJlqRf8MEptXPBXJXa37BSl3ixYsGDBMliwFLyCV/DeLIMFCxYsWLBMwSt4Be/NggXLYMGCBUvBK3iNruC9WbBgwYJlsGApeAWv4L1ZBgsWLFiwYJmCV/AK3psFC5bBggULloJX8BpdwXuzYMGCBctgwVLwCl7Be7MMFixYsGDBsu8FH1FaSmExVfAxBa/gvVmwYMGCZbBg/W4vAQYA5tRF9QYlv/QAAAAASUVORK5CYII=&#x27;
 
 	if(canvas &amp;&amp; canvas.constructor === String )
 		canvas = document.querySelector( canvas );
@@ -2849,6 +2906,8 @@ function LGraphCanvas( canvas, graph, options )
 	this.allow_dragcanvas = true;
 	this.allow_dragnodes = true;
 	this.allow_interaction = true; //allow to control widgets, buttons, collapse, etc
+	this.drag_mode = false;
+	this.dragging_rectangle = null;
 
 	this.always_render_background = false;
 	this.render_connections_shadows = false; //too much cpu
@@ -2891,11 +2950,15 @@ LGraphCanvas.prototype.clear = function()
 	this.scale = 1;
 	this.offset = [0,0];
 
+	this.dragging_rectangle = null;
+
 	this.selected_nodes = {};
+	this.visible_nodes = [];
 	this.node_dragged = null;
 	this.node_over = null;
 	this.node_capturing_input = null;
 	this.connecting_node = null;
+	this.highlighted_links = {};
 
 	this.dirty_canvas = true;
 	this.dirty_bgcanvas = true;
@@ -2981,6 +3044,7 @@ LGraphCanvas.prototype.closeSubgraph = function()
 		return;
 	var graph = this._graph_stack.pop();
 	this.selected_nodes = {};
+	this.highlighted_links = {};
 	graph.attachCanvas(this);
 	this.setDirty(true,true);
 }
@@ -3068,6 +3132,8 @@ LGraphCanvas.prototype.bindEvents = function()
 	}
 
 	var canvas = this.canvas;
+	var ref_window = this.getCanvasWindow();
+	var document = ref_window.document; //hack used when moving canvas between windows 
 
 	this._mousedown_callback = this.processMouseDown.bind(this);
 	this._mousewheel_callback = this.processMouseWheel.bind(this);
@@ -3091,8 +3157,8 @@ LGraphCanvas.prototype.bindEvents = function()
 	//Keyboard ******************
 	this._key_callback = this.processKey.bind(this);
 
-	canvas.addEventListener(&quot;keydown&quot;, this._key_callback );
-	canvas.addEventListener(&quot;keyup&quot;, this._key_callback );
+	canvas.addEventListener(&quot;keydown&quot;, this._key_callback, true );
+	document.addEventListener(&quot;keyup&quot;, this._key_callback, true ); //in document, otherwise it doesnt fire keyup
 
 	//Droping Stuff over nodes ************************************
 	this._ondrop_callback = this.processDrop.bind(this);
@@ -3113,11 +3179,14 @@ LGraphCanvas.prototype.unbindEvents = function()
 		return;
 	}
 
+	var ref_window = this.getCanvasWindow();
+	var document = ref_window.document;
+
 	this.canvas.removeEventListener( &quot;mousedown&quot;, this._mousedown_callback );
 	this.canvas.removeEventListener( &quot;mousewheel&quot;, this._mousewheel_callback );
 	this.canvas.removeEventListener( &quot;DOMMouseScroll&quot;, this._mousewheel_callback );
 	this.canvas.removeEventListener( &quot;keydown&quot;, this._key_callback );
-	this.canvas.removeEventListener( &quot;keyup&quot;, this._key_callback );
+	document.removeEventListener( &quot;keyup&quot;, this._key_callback );
 	this.canvas.removeEventListener( &quot;contextmenu&quot;, this._doNothing );
 	this.canvas.removeEventListener( &quot;drop&quot;, this._ondrop_callback );
 	this.canvas.removeEventListener( &quot;dragenter&quot;, this._doReturnTrue );
@@ -3308,34 +3377,30 @@ LGraphCanvas.prototype.processMouseDown = function(e)
 
 	var n = this.graph.getNodeOnPos( e.canvasX, e.canvasY, this.visible_nodes );
 	var skip_dragging = false;
+	var skip_action = false;
 
     LiteGraph.closeAllContextMenus( ref_window );
 
 	if(e.which == 1) //left button mouse
 	{
-		if(!e.shiftKey) //REFACTOR: integrate with function
+		if( e.ctrlKey )
 		{
-            //no node or another node selected
-            if (!n || !this.selected_nodes[n.id]) {
-
-                var todeselect = [];
-                for (var i in this.selected_nodes)
-                    if (this.selected_nodes[i] != n)
-                        todeselect.push(this.selected_nodes[i]);
-                //two passes to avoid problems modifying the container
-                for (var i in todeselect)
-                    this.processNodeDeselected(todeselect[i]);
-            }
+			this.dragging_rectangle = new Float32Array(4);
+			this.dragging_rectangle[0] = e.canvasX;
+			this.dragging_rectangle[1] = e.canvasY;
+			this.dragging_rectangle[2] = 1;
+			this.dragging_rectangle[3] = 1;
+			skip_action = true;
 		}
+
 		var clicking_canvas_bg = false;
 
 		//when clicked on top of a node
 		//and it is not interactive
-		if(n &amp;&amp; this.allow_interaction )
+		if( n &amp;&amp; this.allow_interaction &amp;&amp; !skip_action )
 		{
 			if(!this.live_mode &amp;&amp; !n.flags.pinned)
 				this.bringToFront(n); //if it wasnt selected?
-			var skip_action = false;
 
 			//not dragging mouse to connect two slots
 			if(!this.connecting_node &amp;&amp; !n.flags.collapsed &amp;&amp; !this.live_mode)
@@ -3432,7 +3497,7 @@ LGraphCanvas.prototype.processMouseDown = function(e)
 		else
 			clicking_canvas_bg = true;
 
-		if(clicking_canvas_bg &amp;&amp; this.allow_dragcanvas)
+		if(!skip_action &amp;&amp; clicking_canvas_bg &amp;&amp; this.allow_dragcanvas)
 		{
 			this.dragging_canvas = true;
 		}
@@ -3488,7 +3553,13 @@ LGraphCanvas.prototype.processMouseMove = function(e)
 	this.last_mouse = mouse;
 	this.canvas_mouse = [e.canvasX, e.canvasY];
 
-	if(this.dragging_canvas)
+	if( this.dragging_rectangle )
+	{
+		this.dragging_rectangle[2] = e.canvasX - this.dragging_rectangle[0];
+		this.dragging_rectangle[3] = e.canvasY - this.dragging_rectangle[1];
+		this.dirty_canvas = true;
+	}
+	else if(this.dragging_canvas)
 	{
 		this.offset[0] += delta[0] / this.scale;
 		this.offset[1] += delta[1] / this.scale;
@@ -3501,7 +3572,7 @@ LGraphCanvas.prototype.processMouseMove = function(e)
 			this.dirty_canvas = true;
 
 		//get node over
-		var n = this.graph.getNodeOnPos(e.canvasX, e.canvasY, this.visible_nodes);
+		var n = this.graph.getNodeOnPos( e.canvasX, e.canvasY, this.visible_nodes );
 
 		//remove mouseover flag
 		for(var i = 0, l = this.graph._nodes.length; i &lt; l; ++i)
@@ -3640,8 +3711,32 @@ LGraphCanvas.prototype.processMouseUp = function(e)
 
 	if (e.which == 1) //left button
 	{
-		//dragging a connection
-		if(this.connecting_node)
+		if( this.dragging_rectangle )
+		{
+			if(this.graph)
+			{
+				var nodes = this.graph._nodes;
+				var node_bounding = new Float32Array(4);
+				this.deselectAllNodes();
+				if( this.dragging_rectangle[2] &lt; 0 ) //flip if negative width
+					this.dragging_rectangle[0] += this.dragging_rectangle[2];
+				if( this.dragging_rectangle[3] &lt; 0 ) //flip if negative height
+					this.dragging_rectangle[1] += this.dragging_rectangle[3];
+				this.dragging_rectangle[2] = Math.abs( this.dragging_rectangle[2] * this.scale ); //abs to convert negative width
+				this.dragging_rectangle[3] = Math.abs( this.dragging_rectangle[3] * this.scale ); //abs to convert negative height
+
+				for(var i = 0; i &lt; nodes.length; ++i)
+				{
+					var node = nodes[i];
+					node.getBounding( node_bounding );
+					if(!overlapBounding( this.dragging_rectangle, node_bounding ))
+						continue; //out of the visible area
+					this.selectNode( node, true );
+				}
+			}
+			this.dragging_rectangle = null;
+		}
+		else if(this.connecting_node) //dragging a connection
 		{
 			this.dirty_canvas = true;
 			this.dirty_bgcanvas = true;
@@ -3700,6 +3795,13 @@ LGraphCanvas.prototype.processMouseUp = function(e)
 		}
 		else //no node being dragged
 		{
+			//get node over
+			var node = this.graph.getNodeOnPos( e.canvasX, e.canvasY, this.visible_nodes );
+
+			var now = LiteGraph.getTime();
+			if ( !node &amp;&amp; (now - this.last_mouseclick) &lt; 300 )
+				this.deselectAllNodes();
+
 			this.dirty_canvas = true;
 			this.dragging_canvas = false;
 
@@ -3798,18 +3900,23 @@ LGraphCanvas.prototype.processKey = function(e)
 		return;
 
 	var block_default = false;
+	//console.log(e); //debug
 
 	if(e.target.localName == &quot;input&quot;)
 		return;
 
 	if(e.type == &quot;keydown&quot;)
 	{
-		//console.log(e); //debug
+		if(e.keyCode == 32)
+		{
+			this.dragging_canvas = true;
+			block_default = true;
+		}
 
 		//select all Control A
 		if(e.keyCode == 65 &amp;&amp; e.ctrlKey)
 		{
-			this.selectAllNodes();
+			this.selectNodes();
 			block_default = true;
 		}
 
@@ -3817,36 +3924,16 @@ LGraphCanvas.prototype.processKey = function(e)
 		{
 			if(this.selected_nodes)
 			{
-				var nodes_data = [];
-				for(var i in this.selected_nodes)
-					nodes_data.push( this.selected_nodes[i].serialize() );
-				localStorage.setItem( &quot;litegrapheditor_clipboard&quot;, JSON.stringify(nodes_data) );
+				this.copyToClipboard();
 				block_default = true;
 			}
 		}
 
 		if(e.code == &quot;KeyV&quot; &amp;&amp; (e.metaKey || e.ctrlKey) &amp;&amp; !e.shiftKey ) //paste
 		{
-			var data = localStorage.getItem( &quot;litegrapheditor_clipboard&quot; );
-			if(data)
-			{
-				var nodes_data = JSON.parse(data);
-				for(var i = 0; i &lt; nodes_data.length; ++i)
-				{
-					var node_data = nodes_data[i];
-					var node = LiteGraph.createNode( node_data.type );
-					if(node)
-					{
-						node.configure(node_data);
-						node.pos[0] += 5;
-						node.pos[1] += 5;
-						this.graph.add( node );
-					}
-				}
-			}
+			this.pasteFromClipboard();
 		}
 
-
 		//delete or backspace
 		if(e.keyCode == 46 || e.keyCode == 8)
 		{
@@ -3865,6 +3952,9 @@ LGraphCanvas.prototype.processKey = function(e)
 	}
 	else if( e.type == &quot;keyup&quot; )
 	{
+		if(e.keyCode == 32)
+			this.dragging_canvas = false;
+
 		if(this.selected_nodes)
 			for (var i in this.selected_nodes)
 				if(this.selected_nodes[i].onKeyUp)
@@ -3880,6 +3970,79 @@ LGraphCanvas.prototype.processKey = function(e)
 	}
 }
 
+LGraphCanvas.prototype.copyToClipboard = function()
+{
+	var clipboard_info = {
+		nodes: [],
+		links: []
+	};
+	var index = 0;
+	var selected_nodes_array = [];
+	for(var i in this.selected_nodes)
+	{
+		var node = this.selected_nodes[i];
+		node._relative_id = index;
+		selected_nodes_array.push( node );
+		index += 1;
+	}
+
+	for(var i = 0; i &lt; selected_nodes_array.length; ++i)
+	{
+		var node = selected_nodes_array[i];
+		clipboard_info.nodes.push( node.clone().serialize() );
+		if(node.inputs &amp;&amp; node.inputs.length)
+			for(var j = 0; j &lt; node.inputs.length; ++j)
+			{
+				var input = node.inputs[j];
+				if(!input || input.link == null)
+					continue;
+				var link_info = this.graph.links[ input.link ];
+				if(!link_info)
+					continue;
+				var target_node = this.graph.getNodeById( link_info.origin_id );
+				if(!target_node || !this.selected_nodes[ target_node.id ] ) //improve this by allowing connections to non-selected nodes
+					continue; //not selected
+				clipboard_info.links.push([ target_node._relative_id, j, node._relative_id, link_info.target_slot ]);
+			}
+	}
+	localStorage.setItem( &quot;litegrapheditor_clipboard&quot;, JSON.stringify( clipboard_info ) );
+}
+
+LGraphCanvas.prototype.pasteFromClipboard = function()
+{
+	var data = localStorage.getItem( &quot;litegrapheditor_clipboard&quot; );
+	if(!data)
+		return;
+
+	//create nodes
+	var clipboard_info = JSON.parse(data);
+	var nodes = [];
+	for(var i = 0; i &lt; clipboard_info.nodes.length; ++i)
+	{
+		var node_data = clipboard_info.nodes[i];
+		var node = LiteGraph.createNode( node_data.type );
+		if(node)
+		{
+			node.configure(node_data);
+			node.pos[0] += 5;
+			node.pos[1] += 5;
+			this.graph.add( node );
+			nodes.push( node );
+		}
+	}
+
+	//create links
+	for(var i = 0; i &lt; clipboard_info.links.length; ++i)
+	{
+		var link_info = clipboard_info.links[i];
+		var origin_node = nodes[ link_info[0] ];
+		var target_node = nodes[ link_info[2] ];
+		origin_node.connect( link_info[1], target_node, link_info[3] );
+	}
+
+	this.selectNodes( nodes );
+}
+
 LGraphCanvas.prototype.processDrop = function(e)
 {
 	e.preventDefault();
@@ -3969,42 +4132,6 @@ LGraphCanvas.prototype.checkDropItem = function(e)
 }
 
 
-LGraphCanvas.prototype.processNodeSelected = function(n,e)
-{
-	n.selected = true;
-	if (n.onSelected)
-		n.onSelected();
-
-	if(e &amp;&amp; e.shiftKey) //add to selection
-		this.selected_nodes[n.id] = n;
-	else
-	{
-		this.selected_nodes = {};
-		this.selected_nodes[ n.id ] = n;
-	}
-
-	this.dirty_canvas = true;
-
-	if(this.onNodeSelected)
-		this.onNodeSelected(n);
-
-	//if(this.node_in_panel) this.showNodePanel(n);
-}
-
-LGraphCanvas.prototype.processNodeDeselected = function(n)
-{
-	n.selected = false;
-	if(n.onDeselected)
-		n.onDeselected();
-
-	delete this.selected_nodes[n.id];
-
-	if(this.onNodeDeselected)
-		this.onNodeDeselected(n);
-
-	this.dirty_canvas = true;
-}
-
 LGraphCanvas.prototype.processNodeDblClicked = function(n)
 {
 	if(this.onShowNodePanel)
@@ -4016,44 +4143,100 @@ LGraphCanvas.prototype.processNodeDblClicked = function(n)
 	this.setDirty(true);
 }
 
-LGraphCanvas.prototype.selectNode = function(node)
+LGraphCanvas.prototype.processNodeSelected = function(node,e)
 {
-	this.deselectAllNodes();
-
-	if(!node)
-		return;
-
-	if(!node.selected &amp;&amp; node.onSelected)
-		node.onSelected();
-	node.selected = true;
-	this.selected_nodes[ node.id ] = node;
-	this.setDirty(true);
+	this.selectNode( node, e &amp;&amp; e.shiftKey );
+	if(this.onNodeSelected)
+		this.onNodeSelected(node);
 }
 
-LGraphCanvas.prototype.selectAllNodes = function()
+LGraphCanvas.prototype.processNodeDeselected = function(node)
 {
-	for(var i = 0; i &lt; this.graph._nodes.length; ++i)
+	this.deselectNode(node);
+	if(this.onNodeDeselected)
+		this.onNodeDeselected(node);
+}
+
+LGraphCanvas.prototype.selectNode = function( node, add_to_current_selection )
+{
+	if(node == null)
+		this.deselectAllNodes();
+	else
+		this.selectNodes([node], add_to_current_selection );
+}
+
+LGraphCanvas.prototype.selectNodes = function( nodes, add_to_current_selection )
+{
+	if(!add_to_current_selection)
+		this.deselectAllNodes();
+
+	nodes = nodes || this.graph._nodes;
+	for(var i = 0; i &lt; nodes.length; ++i)
 	{
-		var n = this.graph._nodes[i];
-		if(!n.selected &amp;&amp; n.onSelected)
-			n.onSelected();
-		n.selected = true;
-		this.selected_nodes[this.graph._nodes[i].id] = n;
+		var node = nodes[i];
+		if(node.selected)
+			continue;
+
+		if( !node.selected &amp;&amp; node.onSelected )
+			node.onSelected();
+		node.selected = true;
+		this.selected_nodes[ node.id ] = node;
+
+		if(node.inputs)
+			for(var i = 0; i &lt; node.inputs.length; ++i)
+				this.highlighted_links[ node.inputs[i].link ] = true;
+		if(node.outputs)
+			for(var i = 0; i &lt; node.outputs.length; ++i)
+			{
+				var out = node.outputs[i];
+				if( out.links )
+					for(var j = 0; j &lt; out.links.length; ++j)
+						this.highlighted_links[ out.links[j] ] = true;
+			}
+
 	}
 
 	this.setDirty(true);
 }
 
+LGraphCanvas.prototype.deselectNode = function( node )
+{
+	if(!node.selected)
+		return;
+	if(node.onDeselected)
+		node.onDeselected();
+	node.selected = false;
+
+	//remove highlighted
+	if(node.inputs)
+		for(var i = 0; i &lt; node.inputs.length; ++i)
+			delete this.highlighted_links[ node.inputs[i].link ];
+	if(node.outputs)
+		for(var i = 0; i &lt; node.outputs.length; ++i)
+		{
+			var out = node.outputs[i];
+			if( out.links )
+				for(var j = 0; j &lt; out.links.length; ++j)
+					delete this.highlighted_links[ out.links[j] ];
+		}
+}
+
 LGraphCanvas.prototype.deselectAllNodes = function()
 {
-	for(var i in this.selected_nodes)
+	if(!this.graph)
+		return;
+	var nodes = this.graph._nodes;
+	for(var i = 0, l = nodes.length; i &lt; l; ++i)
 	{
-		var n = this.selected_nodes;
-		if(n.onDeselected)
-			n.onDeselected();
-		n.selected = false;
+		var node = nodes[i];
+		if(!node.selected)
+			continue;
+		if(node.onDeselected)
+			node.onDeselected();
+		node.selected = false;
 	}
 	this.selected_nodes = {};
+	this.highlighted_links = {};
 	this.setDirty(true);
 }
 
@@ -4066,6 +4249,7 @@ LGraphCanvas.prototype.deleteSelectedNodes = function()
 		this.graph.remove(m);
 	}
 	this.selected_nodes = {};
+	this.highlighted_links = {};
 	this.setDirty(true);
 }
 
@@ -4110,20 +4294,25 @@ LGraphCanvas.prototype.setZoom = function(value, zooming_center)
 	this.dirty_bgcanvas = true;
 }
 
-LGraphCanvas.prototype.convertOffsetToCanvas = function(pos)
+LGraphCanvas.prototype.convertOffsetToCanvas = function( pos, out )
 {
-	return [pos[0] / this.scale - this.offset[0], pos[1] / this.scale - this.offset[1]];
+	out = out || [];
+	out[0] = pos[0] / this.scale - this.offset[0];
+	out[1] = pos[1] / this.scale - this.offset[1];
+	return out;
 }
 
-LGraphCanvas.prototype.convertCanvasToOffset = function(pos)
+LGraphCanvas.prototype.convertCanvasToOffset = function( pos, out )
 {
-	return [(pos[0] + this.offset[0]) * this.scale,
-		(pos[1] + this.offset[1]) * this.scale ];
+	out = out || [];
+	out[0] = (pos[0] + this.offset[0]) * this.scale;
+	out[1] = (pos[1] + this.offset[1]) * this.scale;
+	return out;
 }
 
 LGraphCanvas.prototype.convertEventToCanvas = function(e)
 {
-	var rect = this.canvas.getClientRects()[0];
+	var rect = this.canvas.getBoundingClientRect();
 	return this.convertOffsetToCanvas([e.pageX - rect.left,e.pageY - rect.top]);
 }
 
@@ -4150,14 +4339,16 @@ LGraphCanvas.prototype.sendToBack = function(n)
 
 
 /* LGraphCanvas render */
+var temp = new Float32Array(4);
 
-LGraphCanvas.prototype.computeVisibleNodes = function()
+LGraphCanvas.prototype.computeVisibleNodes = function( nodes, out )
 {
-	var temp = new Float32Array(4);
-	var visible_nodes = [];
-	for(var i = 0, l = this.graph._nodes.length; i &lt; l; ++i)
+	var visible_nodes = out || [];
+	visible_nodes.length = 0;
+	nodes = nodes || this.graph._nodes;
+	for(var i = 0, l = nodes.length; i &lt; l; ++i)
 	{
-		var n = this.graph._nodes[i];
+		var n = nodes[i];
 
 		//skip rendering nodes in live mode
 		if(this.live_mode &amp;&amp; !n.onDrawBackground &amp;&amp; !n.onDrawForeground)
@@ -4185,7 +4376,7 @@ LGraphCanvas.prototype.draw = function(force_canvas, force_bgcanvas)
 	{
 		var start = [-this.offset[0], -this.offset[1] ];
 		var end = [start[0] + this.canvas.width / this.scale, start[1] + this.canvas.height / this.scale];
-		this.visible_area = new Float32Array([start[0],start[1],end[0],end[1]]);
+		this.visible_area = new Float32Array([ start[0], start[1], end[0] - start[0], end[1] - start[1] ]);
 	}
 
 	if(this.dirty_bgcanvas || force_bgcanvas || this.always_render_background || (this.graph &amp;&amp; this.graph._last_trigger_time &amp;&amp; (now - this.graph._last_trigger_time) &lt; 1000) )
@@ -4252,8 +4443,7 @@ LGraphCanvas.prototype.drawFrontCanvas = function()
 
 		//draw nodes
 		var drawn_nodes = 0;
-		var visible_nodes = this.computeVisibleNodes();
-		this.visible_nodes = visible_nodes;
+		var visible_nodes = this.computeVisibleNodes( null, this.visible_nodes );
 
 		for (var i = 0; i &lt; visible_nodes.length; ++i)
 		{
@@ -4305,6 +4495,14 @@ LGraphCanvas.prototype.drawFrontCanvas = function()
 				ctx.fill();
 			}
 		}
+
+		if( this.dragging_rectangle )
+		{
+			ctx.strokeStyle = &quot;#FFF&quot;;
+			ctx.strokeRect( this.dragging_rectangle[0], this.dragging_rectangle[1], this.dragging_rectangle[2], this.dragging_rectangle[3] );
+		}
+
+
 		ctx.restore();
 	}
 
@@ -4409,7 +4607,7 @@ LGraphCanvas.prototype.drawBackCanvas = function()
 			if(pattern)
 			{
 				ctx.fillStyle = pattern;
-				ctx.fillRect(this.visible_area[0],this.visible_area[1],this.visible_area[2]-this.visible_area[0],this.visible_area[3]-this.visible_area[1]);
+				ctx.fillRect(this.visible_area[0],this.visible_area[1],this.visible_area[2],this.visible_area[3]);
 				ctx.fillStyle = &quot;transparent&quot;;
 			}
 
@@ -4422,7 +4620,7 @@ LGraphCanvas.prototype.drawBackCanvas = function()
 
 		//DEBUG: show clipping area
 		//ctx.fillStyle = &quot;red&quot;;
-		//ctx.fillRect( this.visible_area[0] + 10, this.visible_area[1] + 10, this.visible_area[2] - this.visible_area[0] - 20, this.visible_area[3] - this.visible_area[1] - 20);
+		//ctx.fillRect( this.visible_area[0] + 10, this.visible_area[1] + 10, this.visible_area[2] - 20, this.visible_area[3] - 20);
 
 		//bg
 		ctx.strokeStyle = &quot;#235&quot;;
@@ -4900,6 +5098,9 @@ LGraphCanvas.prototype.renderLink = function( ctx, a, b, link, skip_border, flow
 	if(!color)
 		color = this.default_link_color;
 
+	if( link != null &amp;&amp; this.highlighted_links[ link.id ] )
+		color = &quot;#FFF&quot;;
+
 	//begin line shape
 	ctx.beginPath();
 
@@ -5509,7 +5710,7 @@ LGraphCanvas.prototype.createDialog = function( html, options )
 	dialog.className = &quot;graphdialog&quot;;
 	dialog.innerHTML = html;
 
-	var rect = this.canvas.getClientRects()[0];
+	var rect = this.canvas.getBoundingClientRect();
 	var offsetx = -20;
 	var offsety = -20;
 	if(rect)
@@ -5645,7 +5846,8 @@ LGraphCanvas.onMenuNodeClone = function( value, options, e, menu, node )
 {
 	if(node.clonable == false) return;
 	var newnode = node.clone();
-	if(!newnode) return;
+	if(!newnode)
+		return;
 	newnode.pos = [node.pos[0]+5,node.pos[1]+5];
 	node.graph.add(newnode);
 	node.setDirtyCanvas(true,true);
@@ -5907,13 +6109,18 @@ function isInsideBounding(p,bb)
 }
 LiteGraph.isInsideBounding = isInsideBounding;
 
-//boundings overlap, format: [start,end]
+//boundings overlap, format: [ startx, starty, width, height ]
 function overlapBounding(a,b)
 {
-	if ( a[0] &gt; b[2] ||
-		a[1] &gt; b[3] ||
-		a[2] &lt; b[0] ||
-		a[3] &lt; b[1])
+	var A_end_x = a[0] + a[2];
+	var A_end_y = a[1] + a[3];
+	var B_end_x = b[0] + b[2];
+	var B_end_y = b[1] + b[3];
+
+	if ( a[0] &gt; B_end_x ||
+		a[1] &gt; B_end_y ||
+		A_end_x &lt; b[0] ||
+		A_end_y &lt; b[1])
 		return false;
 	return true;
 }
diff --git a/src/litegraph-editor.js b/src/litegraph-editor.js
index 8df40aab6..35c9f027b 100755
--- a/src/litegraph-editor.js
+++ b/src/litegraph-editor.js
@@ -184,6 +184,7 @@ Editor.prototype.addMiniWindow = function(w,h)
 	var canvas = miniwindow.querySelector("canvas");
 
 	var graphcanvas = new LGraphCanvas(canvas, this.graph);
+	graphcanvas.show_info = false;
 	graphcanvas.background_image = "imgs/grid.png";
 	graphcanvas.scale = 0.25;
 	graphcanvas.allow_dragnodes = false;
diff --git a/src/litegraph.js b/src/litegraph.js
index d61882546..4b03238ce 100755
--- a/src/litegraph.js
+++ b/src/litegraph.js
@@ -133,7 +133,8 @@ var LiteGraph = global.LiteGraph = {
 	},
 
 	/**
-	* create a new node type by passing a function, it wraps it with a propper class
+	* Create a new node type by passing a function, it wraps it with a propper class and generates inputs according to the parameters of the function.
+	* Useful to wrap simple methods that do not require properties, and that only process some input to generate an output.
 	* @method wrapFunctionAsNode
 	* @param {String} name node name with namespace (p.e.: 'math/sum')
 	* @param {Function} func
@@ -630,7 +631,7 @@ LGraph.prototype.updateExecutionOrder = function()
 }
 
 //This is more internal, it computes the order and returns it
-LGraph.prototype.computeExecutionOrder = function( only_onExecute )
+LGraph.prototype.computeExecutionOrder = function( only_onExecute, set_level )
 {
 	var L = [];
 	var S = [];
@@ -641,22 +642,30 @@ LGraph.prototype.computeExecutionOrder = function( only_onExecute )
 	//search for the nodes without inputs (starting nodes)
 	for (var i = 0, l = this._nodes.length; i < l; ++i)
 	{
-		var n = this._nodes[i];
-		if( only_onExecute && !n.onExecute )
+		var node = this._nodes[i];
+		if( only_onExecute && !node.onExecute )
 			continue;
 
-		M[n.id] = n; //add to pending nodes
+		M[node.id] = node; //add to pending nodes
 
 		var num = 0; //num of input connections
-		if(n.inputs)
-			for(var j = 0, l2 = n.inputs.length; j < l2; j++)
-				if(n.inputs[j] && n.inputs[j].link != null)
+		if(node.inputs)
+			for(var j = 0, l2 = node.inputs.length; j < l2; j++)
+				if(node.inputs[j] && node.inputs[j].link != null)
 					num += 1;
 
 		if(num == 0) //is a starting node
-			S.push(n);
+		{
+			S.push(node);
+			if(set_level)
+				node._level = 1;
+		}
 		else //num of input links
-			remaining_links[n.id] = num;
+		{
+			if(set_level)
+				node._level = 0;
+			remaining_links[node.id] = num;
+		}
 	}
 
 	while(true)
@@ -665,43 +674,49 @@ LGraph.prototype.computeExecutionOrder = function( only_onExecute )
 			break;
 
 		//get an starting node
-		var n = S.shift();
-		L.push(n); //add to ordered list
-		delete M[n.id]; //remove from the pending nodes
+		var node = S.shift();
+		L.push(node); //add to ordered list
+		delete M[node.id]; //remove from the pending nodes
+
+		if(!node.outputs)
+			continue;
 
 		//for every output
-		if(n.outputs)
-			for(var i = 0; i < n.outputs.length; i++)
+		for(var i = 0; i < node.outputs.length; i++)
+		{
+			var output = node.outputs[i];
+			//not connected
+			if(output == null || output.links == null || output.links.length == 0)
+				continue;
+
+			//for every connection
+			for(var j = 0; j < output.links.length; j++)
 			{
-				var output = n.outputs[i];
-				//not connected
-				if(output == null || output.links == null || output.links.length == 0)
+				var link_id = output.links[j];
+				var link = this.links[link_id];
+				if(!link)
 					continue;
 
-				//for every connection
-				for(var j = 0; j < output.links.length; j++)
+				//already visited link (ignore it)
+				if(visited_links[ link.id ])
+					continue;
+
+				var target_node = this.getNodeById( link.target_id );
+				if(target_node == null)
 				{
-					var link_id = output.links[j];
-					var link = this.links[link_id];
-					if(!link) continue;
-
-					//already visited link (ignore it)
-					if(visited_links[ link.id ])
-						continue;
-
-					var target_node = this.getNodeById( link.target_id );
-					if(target_node == null)
-					{
-						visited_links[ link.id ] = true;
-						continue;
-					}
-
-					visited_links[link.id] = true; //mark as visited
-					remaining_links[target_node.id] -= 1; //reduce the number of links remaining
-					if (remaining_links[target_node.id] == 0)
-						S.push(target_node); //if no more links, then add to Starters array
+					visited_links[ link.id ] = true;
+					continue;
 				}
+
+				if(set_level && (!target_node._level || target_node._level <= node._level))
+					target_node._level = node._level + 1;
+
+				visited_links[link.id] = true; //mark as visited
+				remaining_links[target_node.id] -= 1; //reduce the number of links remaining
+				if (remaining_links[ target_node.id ] == 0)
+					S.push(target_node); //if no more links, then add to starters array
 			}
+		}
 	}
 
 	//the remaining ones (loops)
@@ -718,13 +733,55 @@ LGraph.prototype.computeExecutionOrder = function( only_onExecute )
 	return L;
 }
 
+/**
+* Positions every node in a more readable manner
+* @method arrange
+*/
+LGraph.prototype.arrange = function( margin )
+{
+	margin = margin || 40;
+
+	var nodes = this.computeExecutionOrder( false, true );
+	var columns = [];
+	for(var i = 0; i < nodes.length; ++i)
+	{
+		var node = nodes[i];
+		var col = node._level || 1;
+		if(!columns[col])
+			columns[col] = [];
+		columns[col].push( node );
+	}
+
+	var x = margin;
+
+	for(var i = 0; i < columns.length; ++i)
+	{
+		var column = columns[i];
+		if(!column)
+			continue;
+		var max_size = 100;
+		var y = margin;
+		for(var j = 0; j < column.length; ++j)
+		{
+			var node = column[j];
+			node.pos[0] = x;
+			node.pos[1] = y;
+			if(node.size[0] > max_size)
+				max_size = node.size[0];
+			y += node.size[1] + margin;
+		}
+		x += max_size + margin;
+	}
+
+	this.setDirtyCanvas(true,true);
+}
+
 
 /**
 * Returns the amount of time the graph has been running in milliseconds
 * @method getTime
 * @return {number} number of milliseconds the graph has been running
 */
-
 LGraph.prototype.getTime = function()
 {
 	return this.globaltime;
@@ -2175,6 +2232,7 @@ LGraphNode.prototype.computeSize = function( minHeight, out )
 
 /**
 * returns the bounding of the object, used for rendering purposes
+* bounding is: [topleft_cornerx, topleft_cornery, width, height]
 * @method getBounding
 * @return {Float32Array[4]} the total size
 */
@@ -2183,8 +2241,8 @@ LGraphNode.prototype.getBounding = function( out )
 	out = out || new Float32Array(4);
 	out[0] = this.pos[0] - 4;
 	out[1] = this.pos[1] - LiteGraph.NODE_TITLE_HEIGHT;
-	out[2] = this.pos[0] + this.size[0] + 4;
-	out[3] = this.pos[1] + this.size[1] + LGraph.NODE_TITLE_HEIGHT;
+	out[2] = this.size[0] + 4;
+	out[3] = this.size[1] + LiteGraph.NODE_TITLE_HEIGHT;
 	return out;
 }
 
@@ -2530,8 +2588,7 @@ LGraphNode.prototype.disconnectInput = function( slot )
 		//search in the inputs list for this link
 		for(var i = 0, l = output.links.length; i < l; i++)
 		{
-			var link_id = output.links[i];
-			if( link_info.target_id == this.id )
+			if( output.links[i] == link_id )
 			{
 				output.links.splice(i,1);
 				break;
@@ -2739,7 +2796,7 @@ function LGraphCanvas( canvas, graph, options )
 
 	//if(graph === undefined)
   //	throw ("No graph assigned");
-  this.background_image = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAIAAAD/gAIDAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQBJREFUeNrs1rEKwjAUhlETUkj3vP9rdmr1Ysammk2w5wdxuLgcMHyptfawuZX4pJSWZTnfnu/lnIe/jNNxHHGNn//HNbbv+4dr6V+11uF527arU7+u63qfa/bnmh8sWLBgwYJlqRf8MEptXPBXJXa37BSl3ixYsGDBMliwFLyCV/DeLIMFCxYsWLBMwSt4Be/NggXLYMGCBUvBK3iNruC9WbBgwYJlsGApeAWv4L1ZBgsWLFiwYJmCV/AK3psFC5bBggULloJX8BpdwXuzYMGCBctgwVLwCl7Be7MMFixYsGDBsu8FH1FaSmExVfAxBa/gvVmwYMGCZbBg/W4vAQYA5tRF9QYlv/QAAAAASUVORK5CYII='
+	this.background_image = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAIAAAD/gAIDAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQBJREFUeNrs1rEKwjAUhlETUkj3vP9rdmr1Ysammk2w5wdxuLgcMHyptfawuZX4pJSWZTnfnu/lnIe/jNNxHHGNn//HNbbv+4dr6V+11uF527arU7+u63qfa/bnmh8sWLBgwYJlqRf8MEptXPBXJXa37BSl3ixYsGDBMliwFLyCV/DeLIMFCxYsWLBMwSt4Be/NggXLYMGCBUvBK3iNruC9WbBgwYJlsGApeAWv4L1ZBgsWLFiwYJmCV/AK3psFC5bBggULloJX8BpdwXuzYMGCBctgwVLwCl7Be7MMFixYsGDBsu8FH1FaSmExVfAxBa/gvVmwYMGCZbBg/W4vAQYA5tRF9QYlv/QAAAAASUVORK5CYII='
 
 	if(canvas && canvas.constructor === String )
 		canvas = document.querySelector( canvas );
@@ -2763,6 +2820,8 @@ function LGraphCanvas( canvas, graph, options )
 	this.allow_dragcanvas = true;
 	this.allow_dragnodes = true;
 	this.allow_interaction = true; //allow to control widgets, buttons, collapse, etc
+	this.drag_mode = false;
+	this.dragging_rectangle = null;
 
 	this.always_render_background = false;
 	this.render_connections_shadows = false; //too much cpu
@@ -2805,11 +2864,15 @@ LGraphCanvas.prototype.clear = function()
 	this.scale = 1;
 	this.offset = [0,0];
 
+	this.dragging_rectangle = null;
+
 	this.selected_nodes = {};
+	this.visible_nodes = [];
 	this.node_dragged = null;
 	this.node_over = null;
 	this.node_capturing_input = null;
 	this.connecting_node = null;
+	this.highlighted_links = {};
 
 	this.dirty_canvas = true;
 	this.dirty_bgcanvas = true;
@@ -2895,6 +2958,7 @@ LGraphCanvas.prototype.closeSubgraph = function()
 		return;
 	var graph = this._graph_stack.pop();
 	this.selected_nodes = {};
+	this.highlighted_links = {};
 	graph.attachCanvas(this);
 	this.setDirty(true,true);
 }
@@ -2982,6 +3046,8 @@ LGraphCanvas.prototype.bindEvents = function()
 	}
 
 	var canvas = this.canvas;
+	var ref_window = this.getCanvasWindow();
+	var document = ref_window.document; //hack used when moving canvas between windows 
 
 	this._mousedown_callback = this.processMouseDown.bind(this);
 	this._mousewheel_callback = this.processMouseWheel.bind(this);
@@ -3005,8 +3071,8 @@ LGraphCanvas.prototype.bindEvents = function()
 	//Keyboard ******************
 	this._key_callback = this.processKey.bind(this);
 
-	canvas.addEventListener("keydown", this._key_callback );
-	canvas.addEventListener("keyup", this._key_callback );
+	canvas.addEventListener("keydown", this._key_callback, true );
+	document.addEventListener("keyup", this._key_callback, true ); //in document, otherwise it doesnt fire keyup
 
 	//Droping Stuff over nodes ************************************
 	this._ondrop_callback = this.processDrop.bind(this);
@@ -3027,11 +3093,14 @@ LGraphCanvas.prototype.unbindEvents = function()
 		return;
 	}
 
+	var ref_window = this.getCanvasWindow();
+	var document = ref_window.document;
+
 	this.canvas.removeEventListener( "mousedown", this._mousedown_callback );
 	this.canvas.removeEventListener( "mousewheel", this._mousewheel_callback );
 	this.canvas.removeEventListener( "DOMMouseScroll", this._mousewheel_callback );
 	this.canvas.removeEventListener( "keydown", this._key_callback );
-	this.canvas.removeEventListener( "keyup", this._key_callback );
+	document.removeEventListener( "keyup", this._key_callback );
 	this.canvas.removeEventListener( "contextmenu", this._doNothing );
 	this.canvas.removeEventListener( "drop", this._ondrop_callback );
 	this.canvas.removeEventListener( "dragenter", this._doReturnTrue );
@@ -3222,34 +3291,30 @@ LGraphCanvas.prototype.processMouseDown = function(e)
 
 	var n = this.graph.getNodeOnPos( e.canvasX, e.canvasY, this.visible_nodes );
 	var skip_dragging = false;
+	var skip_action = false;
 
     LiteGraph.closeAllContextMenus( ref_window );
 
 	if(e.which == 1) //left button mouse
 	{
-		if(!e.shiftKey) //REFACTOR: integrate with function
+		if( e.ctrlKey )
 		{
-            //no node or another node selected
-            if (!n || !this.selected_nodes[n.id]) {
-
-                var todeselect = [];
-                for (var i in this.selected_nodes)
-                    if (this.selected_nodes[i] != n)
-                        todeselect.push(this.selected_nodes[i]);
-                //two passes to avoid problems modifying the container
-                for (var i in todeselect)
-                    this.processNodeDeselected(todeselect[i]);
-            }
+			this.dragging_rectangle = new Float32Array(4);
+			this.dragging_rectangle[0] = e.canvasX;
+			this.dragging_rectangle[1] = e.canvasY;
+			this.dragging_rectangle[2] = 1;
+			this.dragging_rectangle[3] = 1;
+			skip_action = true;
 		}
+
 		var clicking_canvas_bg = false;
 
 		//when clicked on top of a node
 		//and it is not interactive
-		if(n && this.allow_interaction )
+		if( n && this.allow_interaction && !skip_action )
 		{
 			if(!this.live_mode && !n.flags.pinned)
 				this.bringToFront(n); //if it wasnt selected?
-			var skip_action = false;
 
 			//not dragging mouse to connect two slots
 			if(!this.connecting_node && !n.flags.collapsed && !this.live_mode)
@@ -3346,7 +3411,7 @@ LGraphCanvas.prototype.processMouseDown = function(e)
 		else
 			clicking_canvas_bg = true;
 
-		if(clicking_canvas_bg && this.allow_dragcanvas)
+		if(!skip_action && clicking_canvas_bg && this.allow_dragcanvas)
 		{
 			this.dragging_canvas = true;
 		}
@@ -3402,7 +3467,13 @@ LGraphCanvas.prototype.processMouseMove = function(e)
 	this.last_mouse = mouse;
 	this.canvas_mouse = [e.canvasX, e.canvasY];
 
-	if(this.dragging_canvas)
+	if( this.dragging_rectangle )
+	{
+		this.dragging_rectangle[2] = e.canvasX - this.dragging_rectangle[0];
+		this.dragging_rectangle[3] = e.canvasY - this.dragging_rectangle[1];
+		this.dirty_canvas = true;
+	}
+	else if(this.dragging_canvas)
 	{
 		this.offset[0] += delta[0] / this.scale;
 		this.offset[1] += delta[1] / this.scale;
@@ -3415,7 +3486,7 @@ LGraphCanvas.prototype.processMouseMove = function(e)
 			this.dirty_canvas = true;
 
 		//get node over
-		var n = this.graph.getNodeOnPos(e.canvasX, e.canvasY, this.visible_nodes);
+		var n = this.graph.getNodeOnPos( e.canvasX, e.canvasY, this.visible_nodes );
 
 		//remove mouseover flag
 		for(var i = 0, l = this.graph._nodes.length; i < l; ++i)
@@ -3554,8 +3625,32 @@ LGraphCanvas.prototype.processMouseUp = function(e)
 
 	if (e.which == 1) //left button
 	{
-		//dragging a connection
-		if(this.connecting_node)
+		if( this.dragging_rectangle )
+		{
+			if(this.graph)
+			{
+				var nodes = this.graph._nodes;
+				var node_bounding = new Float32Array(4);
+				this.deselectAllNodes();
+				if( this.dragging_rectangle[2] < 0 ) //flip if negative width
+					this.dragging_rectangle[0] += this.dragging_rectangle[2];
+				if( this.dragging_rectangle[3] < 0 ) //flip if negative height
+					this.dragging_rectangle[1] += this.dragging_rectangle[3];
+				this.dragging_rectangle[2] = Math.abs( this.dragging_rectangle[2] * this.scale ); //abs to convert negative width
+				this.dragging_rectangle[3] = Math.abs( this.dragging_rectangle[3] * this.scale ); //abs to convert negative height
+
+				for(var i = 0; i < nodes.length; ++i)
+				{
+					var node = nodes[i];
+					node.getBounding( node_bounding );
+					if(!overlapBounding( this.dragging_rectangle, node_bounding ))
+						continue; //out of the visible area
+					this.selectNode( node, true );
+				}
+			}
+			this.dragging_rectangle = null;
+		}
+		else if(this.connecting_node) //dragging a connection
 		{
 			this.dirty_canvas = true;
 			this.dirty_bgcanvas = true;
@@ -3614,6 +3709,13 @@ LGraphCanvas.prototype.processMouseUp = function(e)
 		}
 		else //no node being dragged
 		{
+			//get node over
+			var node = this.graph.getNodeOnPos( e.canvasX, e.canvasY, this.visible_nodes );
+
+			var now = LiteGraph.getTime();
+			if ( !node && (now - this.last_mouseclick) < 300 )
+				this.deselectAllNodes();
+
 			this.dirty_canvas = true;
 			this.dragging_canvas = false;
 
@@ -3712,18 +3814,23 @@ LGraphCanvas.prototype.processKey = function(e)
 		return;
 
 	var block_default = false;
+	//console.log(e); //debug
 
 	if(e.target.localName == "input")
 		return;
 
 	if(e.type == "keydown")
 	{
-		//console.log(e); //debug
+		if(e.keyCode == 32)
+		{
+			this.dragging_canvas = true;
+			block_default = true;
+		}
 
 		//select all Control A
 		if(e.keyCode == 65 && e.ctrlKey)
 		{
-			this.selectAllNodes();
+			this.selectNodes();
 			block_default = true;
 		}
 
@@ -3731,36 +3838,16 @@ LGraphCanvas.prototype.processKey = function(e)
 		{
 			if(this.selected_nodes)
 			{
-				var nodes_data = [];
-				for(var i in this.selected_nodes)
-					nodes_data.push( this.selected_nodes[i].serialize() );
-				localStorage.setItem( "litegrapheditor_clipboard", JSON.stringify(nodes_data) );
+				this.copyToClipboard();
 				block_default = true;
 			}
 		}
 
 		if(e.code == "KeyV" && (e.metaKey || e.ctrlKey) && !e.shiftKey ) //paste
 		{
-			var data = localStorage.getItem( "litegrapheditor_clipboard" );
-			if(data)
-			{
-				var nodes_data = JSON.parse(data);
-				for(var i = 0; i < nodes_data.length; ++i)
-				{
-					var node_data = nodes_data[i];
-					var node = LiteGraph.createNode( node_data.type );
-					if(node)
-					{
-						node.configure(node_data);
-						node.pos[0] += 5;
-						node.pos[1] += 5;
-						this.graph.add( node );
-					}
-				}
-			}
+			this.pasteFromClipboard();
 		}
 
-
 		//delete or backspace
 		if(e.keyCode == 46 || e.keyCode == 8)
 		{
@@ -3779,6 +3866,9 @@ LGraphCanvas.prototype.processKey = function(e)
 	}
 	else if( e.type == "keyup" )
 	{
+		if(e.keyCode == 32)
+			this.dragging_canvas = false;
+
 		if(this.selected_nodes)
 			for (var i in this.selected_nodes)
 				if(this.selected_nodes[i].onKeyUp)
@@ -3794,6 +3884,79 @@ LGraphCanvas.prototype.processKey = function(e)
 	}
 }
 
+LGraphCanvas.prototype.copyToClipboard = function()
+{
+	var clipboard_info = {
+		nodes: [],
+		links: []
+	};
+	var index = 0;
+	var selected_nodes_array = [];
+	for(var i in this.selected_nodes)
+	{
+		var node = this.selected_nodes[i];
+		node._relative_id = index;
+		selected_nodes_array.push( node );
+		index += 1;
+	}
+
+	for(var i = 0; i < selected_nodes_array.length; ++i)
+	{
+		var node = selected_nodes_array[i];
+		clipboard_info.nodes.push( node.clone().serialize() );
+		if(node.inputs && node.inputs.length)
+			for(var j = 0; j < node.inputs.length; ++j)
+			{
+				var input = node.inputs[j];
+				if(!input || input.link == null)
+					continue;
+				var link_info = this.graph.links[ input.link ];
+				if(!link_info)
+					continue;
+				var target_node = this.graph.getNodeById( link_info.origin_id );
+				if(!target_node || !this.selected_nodes[ target_node.id ] ) //improve this by allowing connections to non-selected nodes
+					continue; //not selected
+				clipboard_info.links.push([ target_node._relative_id, j, node._relative_id, link_info.target_slot ]);
+			}
+	}
+	localStorage.setItem( "litegrapheditor_clipboard", JSON.stringify( clipboard_info ) );
+}
+
+LGraphCanvas.prototype.pasteFromClipboard = function()
+{
+	var data = localStorage.getItem( "litegrapheditor_clipboard" );
+	if(!data)
+		return;
+
+	//create nodes
+	var clipboard_info = JSON.parse(data);
+	var nodes = [];
+	for(var i = 0; i < clipboard_info.nodes.length; ++i)
+	{
+		var node_data = clipboard_info.nodes[i];
+		var node = LiteGraph.createNode( node_data.type );
+		if(node)
+		{
+			node.configure(node_data);
+			node.pos[0] += 5;
+			node.pos[1] += 5;
+			this.graph.add( node );
+			nodes.push( node );
+		}
+	}
+
+	//create links
+	for(var i = 0; i < clipboard_info.links.length; ++i)
+	{
+		var link_info = clipboard_info.links[i];
+		var origin_node = nodes[ link_info[0] ];
+		var target_node = nodes[ link_info[2] ];
+		origin_node.connect( link_info[1], target_node, link_info[3] );
+	}
+
+	this.selectNodes( nodes );
+}
+
 LGraphCanvas.prototype.processDrop = function(e)
 {
 	e.preventDefault();
@@ -3883,42 +4046,6 @@ LGraphCanvas.prototype.checkDropItem = function(e)
 }
 
 
-LGraphCanvas.prototype.processNodeSelected = function(n,e)
-{
-	n.selected = true;
-	if (n.onSelected)
-		n.onSelected();
-
-	if(e && e.shiftKey) //add to selection
-		this.selected_nodes[n.id] = n;
-	else
-	{
-		this.selected_nodes = {};
-		this.selected_nodes[ n.id ] = n;
-	}
-
-	this.dirty_canvas = true;
-
-	if(this.onNodeSelected)
-		this.onNodeSelected(n);
-
-	//if(this.node_in_panel) this.showNodePanel(n);
-}
-
-LGraphCanvas.prototype.processNodeDeselected = function(n)
-{
-	n.selected = false;
-	if(n.onDeselected)
-		n.onDeselected();
-
-	delete this.selected_nodes[n.id];
-
-	if(this.onNodeDeselected)
-		this.onNodeDeselected(n);
-
-	this.dirty_canvas = true;
-}
-
 LGraphCanvas.prototype.processNodeDblClicked = function(n)
 {
 	if(this.onShowNodePanel)
@@ -3930,44 +4057,100 @@ LGraphCanvas.prototype.processNodeDblClicked = function(n)
 	this.setDirty(true);
 }
 
-LGraphCanvas.prototype.selectNode = function(node)
+LGraphCanvas.prototype.processNodeSelected = function(node,e)
 {
-	this.deselectAllNodes();
-
-	if(!node)
-		return;
-
-	if(!node.selected && node.onSelected)
-		node.onSelected();
-	node.selected = true;
-	this.selected_nodes[ node.id ] = node;
-	this.setDirty(true);
+	this.selectNode( node, e && e.shiftKey );
+	if(this.onNodeSelected)
+		this.onNodeSelected(node);
 }
 
-LGraphCanvas.prototype.selectAllNodes = function()
+LGraphCanvas.prototype.processNodeDeselected = function(node)
 {
-	for(var i = 0; i < this.graph._nodes.length; ++i)
+	this.deselectNode(node);
+	if(this.onNodeDeselected)
+		this.onNodeDeselected(node);
+}
+
+LGraphCanvas.prototype.selectNode = function( node, add_to_current_selection )
+{
+	if(node == null)
+		this.deselectAllNodes();
+	else
+		this.selectNodes([node], add_to_current_selection );
+}
+
+LGraphCanvas.prototype.selectNodes = function( nodes, add_to_current_selection )
+{
+	if(!add_to_current_selection)
+		this.deselectAllNodes();
+
+	nodes = nodes || this.graph._nodes;
+	for(var i = 0; i < nodes.length; ++i)
 	{
-		var n = this.graph._nodes[i];
-		if(!n.selected && n.onSelected)
-			n.onSelected();
-		n.selected = true;
-		this.selected_nodes[this.graph._nodes[i].id] = n;
+		var node = nodes[i];
+		if(node.selected)
+			continue;
+
+		if( !node.selected && node.onSelected )
+			node.onSelected();
+		node.selected = true;
+		this.selected_nodes[ node.id ] = node;
+
+		if(node.inputs)
+			for(var i = 0; i < node.inputs.length; ++i)
+				this.highlighted_links[ node.inputs[i].link ] = true;
+		if(node.outputs)
+			for(var i = 0; i < node.outputs.length; ++i)
+			{
+				var out = node.outputs[i];
+				if( out.links )
+					for(var j = 0; j < out.links.length; ++j)
+						this.highlighted_links[ out.links[j] ] = true;
+			}
+
 	}
 
 	this.setDirty(true);
 }
 
+LGraphCanvas.prototype.deselectNode = function( node )
+{
+	if(!node.selected)
+		return;
+	if(node.onDeselected)
+		node.onDeselected();
+	node.selected = false;
+
+	//remove highlighted
+	if(node.inputs)
+		for(var i = 0; i < node.inputs.length; ++i)
+			delete this.highlighted_links[ node.inputs[i].link ];
+	if(node.outputs)
+		for(var i = 0; i < node.outputs.length; ++i)
+		{
+			var out = node.outputs[i];
+			if( out.links )
+				for(var j = 0; j < out.links.length; ++j)
+					delete this.highlighted_links[ out.links[j] ];
+		}
+}
+
 LGraphCanvas.prototype.deselectAllNodes = function()
 {
-	for(var i in this.selected_nodes)
+	if(!this.graph)
+		return;
+	var nodes = this.graph._nodes;
+	for(var i = 0, l = nodes.length; i < l; ++i)
 	{
-		var n = this.selected_nodes;
-		if(n.onDeselected)
-			n.onDeselected();
-		n.selected = false;
+		var node = nodes[i];
+		if(!node.selected)
+			continue;
+		if(node.onDeselected)
+			node.onDeselected();
+		node.selected = false;
 	}
 	this.selected_nodes = {};
+	this.highlighted_links = {};
 	this.setDirty(true);
 }
 
@@ -3980,6 +4163,7 @@ LGraphCanvas.prototype.deleteSelectedNodes = function()
 		this.graph.remove(m);
 	}
 	this.selected_nodes = {};
+	this.highlighted_links = {};
 	this.setDirty(true);
 }
 
@@ -4024,20 +4208,25 @@ LGraphCanvas.prototype.setZoom = function(value, zooming_center)
 	this.dirty_bgcanvas = true;
 }
 
-LGraphCanvas.prototype.convertOffsetToCanvas = function(pos)
+LGraphCanvas.prototype.convertOffsetToCanvas = function( pos, out )
 {
-	return [pos[0] / this.scale - this.offset[0], pos[1] / this.scale - this.offset[1]];
+	out = out || [];
+	out[0] = pos[0] / this.scale - this.offset[0];
+	out[1] = pos[1] / this.scale - this.offset[1];
+	return out;
 }
 
-LGraphCanvas.prototype.convertCanvasToOffset = function(pos)
+LGraphCanvas.prototype.convertCanvasToOffset = function( pos, out )
 {
-	return [(pos[0] + this.offset[0]) * this.scale,
-		(pos[1] + this.offset[1]) * this.scale ];
+	out = out || [];
+	out[0] = (pos[0] + this.offset[0]) * this.scale;
+	out[1] = (pos[1] + this.offset[1]) * this.scale;
+	return out;
 }
 
 LGraphCanvas.prototype.convertEventToCanvas = function(e)
 {
-	var rect = this.canvas.getClientRects()[0];
+	var rect = this.canvas.getBoundingClientRect();
 	return this.convertOffsetToCanvas([e.pageX - rect.left,e.pageY - rect.top]);
 }
 
@@ -4064,14 +4253,16 @@ LGraphCanvas.prototype.sendToBack = function(n)
 
 
 /* LGraphCanvas render */
+var temp = new Float32Array(4);
 
-LGraphCanvas.prototype.computeVisibleNodes = function()
+LGraphCanvas.prototype.computeVisibleNodes = function( nodes, out )
 {
-	var temp = new Float32Array(4);
-	var visible_nodes = [];
-	for(var i = 0, l = this.graph._nodes.length; i < l; ++i)
+	var visible_nodes = out || [];
+	visible_nodes.length = 0;
+	nodes = nodes || this.graph._nodes;
+	for(var i = 0, l = nodes.length; i < l; ++i)
 	{
-		var n = this.graph._nodes[i];
+		var n = nodes[i];
 
 		//skip rendering nodes in live mode
 		if(this.live_mode && !n.onDrawBackground && !n.onDrawForeground)
@@ -4099,7 +4290,7 @@ LGraphCanvas.prototype.draw = function(force_canvas, force_bgcanvas)
 	{
 		var start = [-this.offset[0], -this.offset[1] ];
 		var end = [start[0] + this.canvas.width / this.scale, start[1] + this.canvas.height / this.scale];
-		this.visible_area = new Float32Array([start[0],start[1],end[0],end[1]]);
+		this.visible_area = new Float32Array([ start[0], start[1], end[0] - start[0], end[1] - start[1] ]);
 	}
 
 	if(this.dirty_bgcanvas || force_bgcanvas || this.always_render_background || (this.graph && this.graph._last_trigger_time && (now - this.graph._last_trigger_time) < 1000) )
@@ -4166,8 +4357,7 @@ LGraphCanvas.prototype.drawFrontCanvas = function()
 
 		//draw nodes
 		var drawn_nodes = 0;
-		var visible_nodes = this.computeVisibleNodes();
-		this.visible_nodes = visible_nodes;
+		var visible_nodes = this.computeVisibleNodes( null, this.visible_nodes );
 
 		for (var i = 0; i < visible_nodes.length; ++i)
 		{
@@ -4219,6 +4409,14 @@ LGraphCanvas.prototype.drawFrontCanvas = function()
 				ctx.fill();
 			}
 		}
+
+		if( this.dragging_rectangle )
+		{
+			ctx.strokeStyle = "#FFF";
+			ctx.strokeRect( this.dragging_rectangle[0], this.dragging_rectangle[1], this.dragging_rectangle[2], this.dragging_rectangle[3] );
+		}
+
+
 		ctx.restore();
 	}
 
@@ -4323,7 +4521,7 @@ LGraphCanvas.prototype.drawBackCanvas = function()
 			if(pattern)
 			{
 				ctx.fillStyle = pattern;
-				ctx.fillRect(this.visible_area[0],this.visible_area[1],this.visible_area[2]-this.visible_area[0],this.visible_area[3]-this.visible_area[1]);
+				ctx.fillRect(this.visible_area[0],this.visible_area[1],this.visible_area[2],this.visible_area[3]);
 				ctx.fillStyle = "transparent";
 			}
 
@@ -4336,7 +4534,7 @@ LGraphCanvas.prototype.drawBackCanvas = function()
 
 		//DEBUG: show clipping area
 		//ctx.fillStyle = "red";
-		//ctx.fillRect( this.visible_area[0] + 10, this.visible_area[1] + 10, this.visible_area[2] - this.visible_area[0] - 20, this.visible_area[3] - this.visible_area[1] - 20);
+		//ctx.fillRect( this.visible_area[0] + 10, this.visible_area[1] + 10, this.visible_area[2] - 20, this.visible_area[3] - 20);
 
 		//bg
 		ctx.strokeStyle = "#235";
@@ -4814,6 +5012,9 @@ LGraphCanvas.prototype.renderLink = function( ctx, a, b, link, skip_border, flow
 	if(!color)
 		color = this.default_link_color;
 
+	if( link != null && this.highlighted_links[ link.id ] )
+		color = "#FFF";
+
 	//begin line shape
 	ctx.beginPath();
 
@@ -5423,7 +5624,7 @@ LGraphCanvas.prototype.createDialog = function( html, options )
 	dialog.className = "graphdialog";
 	dialog.innerHTML = html;
 
-	var rect = this.canvas.getClientRects()[0];
+	var rect = this.canvas.getBoundingClientRect();
 	var offsetx = -20;
 	var offsety = -20;
 	if(rect)
@@ -5559,7 +5760,8 @@ LGraphCanvas.onMenuNodeClone = function( value, options, e, menu, node )
 {
 	if(node.clonable == false) return;
 	var newnode = node.clone();
-	if(!newnode) return;
+	if(!newnode)
+		return;
 	newnode.pos = [node.pos[0]+5,node.pos[1]+5];
 	node.graph.add(newnode);
 	node.setDirtyCanvas(true,true);
@@ -5821,13 +6023,18 @@ function isInsideBounding(p,bb)
 }
 LiteGraph.isInsideBounding = isInsideBounding;
 
-//boundings overlap, format: [start,end]
+//boundings overlap, format: [ startx, starty, width, height ]
 function overlapBounding(a,b)
 {
-	if ( a[0] > b[2] ||
-		a[1] > b[3] ||
-		a[2] < b[0] ||
-		a[3] < b[1])
+	var A_end_x = a[0] + a[2];
+	var A_end_y = a[1] + a[3];
+	var B_end_x = b[0] + b[2];
+	var B_end_y = b[1] + b[3];
+
+	if ( a[0] > B_end_x ||
+		a[1] > B_end_y ||
+		A_end_x < b[0] ||
+		A_end_y < b[1])
 		return false;
 	return true;
 }